active path updation for layered routing apular in wmn



Active Path Updation for Layered Routing (APULAR) in WMN Active Path Updation for Layered Routing (APULAR) in WMN Новинка

Active Path Updation for Layered Routing (APULAR) in WMN

Layered routing architecture performs routing in Wireless mesh Network in three independent layers: a) Neighborhood layer b) Topology layer c) Routing layer Neighborhood layer is responsible for finding the neighbors based on flooding. After finding the neighborhood information, topology layer use flooding to disseminate the neighborhood information all over the network. Only MR’s involve in maintaining all the routing information of the network. The Routing Layer follows different strategies depending on the type of node. In layered routing protocol, source node initiates a path establishing process whenever path breaks. It will cause huge control packets and increase packet loss. we propose initiating the local route repair by destination node.APULAR - Active Path Updation for Layered Rotuing in Wireless Mesh networks for quickly updating the broken path to recover from packet loss.
Congestion detection in WDM Networks Congestion detection in WDM Networks Новинка

Congestion detection in WDM Networks

To investigate a new ant-based agent algorithm for providing survivable routing in WDM network. The major problem in survivable routing WDM network is routing wavelength and assignment (RWA) problem, It sets up light path by routing and assigning a wavelength to each connection such that no light path use the same wavelength on same link Initially, in the path, a major part of the bandwidth is allocated for primary path and this part can not be shared by other paths. Fraction of the bandwidth is allocated for backup path and this can be shared by other disjoint paths. The disjoint path can be primary or backup path. The residual bandwidth is used for future primary and backup paths computations. When the connection request arrives to the source, it looks in its pheromone and load table and send connection request (CNREQ) message to the destination along with feasibility and load values of paths. Upon receiving the CNREQ, the path that has higher feasibility value and the load value lesser than ThLOAD can be selected by the destination for further processing. Using NS-2 simualtion we show that the proposed ant based routing achives better channel utilization and throughput
Intelligent Mobile Ad-Hoc Network Routing Protocols Intelligent Mobile Ad-Hoc Network Routing Protocols Новинка

Intelligent Mobile Ad-Hoc Network Routing Protocols

Intelligent routing protocols became an important scheme to enhance the performance of the routing in Mobile Ad-Hoc Networks (MANETs) also to obtain an efficient operation of these networks by ensuring fast route discovery , fast connectivity , low delay and overhead . This Book presents a novel scheme for MANETs routing protocol known as an Intelligent Ant sense routing protocol (INTANTSENSE). This protocol utilizes a behavior studies of “ants” in nature known as ant colony optimization to perform optimal routing activities . An ant routing concept is a new scheme for routing inspired by the behavior of real ants used in this study. The new protocol (INTANTSENSE) designed and simulated in real MANET environment across a personal area network with IEEE 802.15.4 WPAN and after analysis it displays a satisfactory performances they are optimal path routing, fast route discovery and effective routing failure handling.
An Energy-Aware Path Selection Algorithm An Energy-Aware Path Selection Algorithm Новинка

An Energy-Aware Path Selection Algorithm

It is everyone’s dream to have network connectivity all the time. This dream can only be realised provided there are feasible solutions that are put in place for the next generation of wireless works. Wireless Mesh Networking (WMN) is therefore seen as a solution to the next generation of wireless networks because of the fact that WMNs configures itself and it is also self-healing. The protocol that is used by the IEEE 802.11s for routing is called Hybrid Wireless Mesh Protocol (HWMP). The main purpose of HWMP is to perform routing at layer-2 of the OSI model also referred to as the data link layer (DLL). Even though significant efforts have gone into improving the performance of HWMP, the protocol still faces a lot of limitations and the most limiting factor is the small or restricted energy of the batteries in a wireless network. This is because of the assumption that mesh nodes that are deployed in urban areas tend to have no energy constraints while WMN nodes deployed in rural faces serious energy challenges. Therefore, the goal of this study is to design a path selection algorithm that is energy-aware and optimising for the IEEE 802.11s based HWMP.
A routing metric in a wireless mesh network with optimal cost A routing metric in a wireless mesh network with optimal cost Новинка

A routing metric in a wireless mesh network with optimal cost

In wireless mesh network, while transmitting packets or data in the network, multiple number of traversal can occur which responsible to maximize the routing cost. To overcome this problem this paper synthesizes on ETOP (efficient transfer on path) technique to find out the efficient route which helps to optimize the routing cost, our aim is to find the best path having minimum cost to reduce the more energy consumption. AODV is an excellent choice for mesh network route establishment hence; in this we have used AODV protocol. We implement and evaluate a routing approach based based on a 40-node indoor mesh network. In this we have calculate normal cost and minimum cost by AODV to gives difference between normal cost and minimum cost. Again we are finding the delay at each iteration.
Distributed Coding Aware-Routing in Wireless Networks Distributed Coding Aware-Routing in Wireless Networks Новинка

Distributed Coding Aware-Routing in Wireless Networks

Recently, there has been a growing interest of using network coding to improve the performance of wireless networks.DCAR, the first distributed coding-aware routing mechanism which combines the discovery for available paths between a given source and destination, and the detection for potential network coding opportunities. DCAR has the potential to find high throughput paths with coding opportunities while conventional routing fails to do so. In addition, DCAR can detect coding opportunities on the entire path, thus eliminating the "two-hop" coding limitation in.
Shortest path routing problem in networks and optimization algorithms Shortest path routing problem in networks and optimization algorithms Новинка

Shortest path routing problem in networks and optimization algorithms

Various intelligent techniques were used to solve the Shortest Path Problems in the Networks like Artificial Neural Networks (ANN), Genetic Algorithms (GA), Particle Swarm Optimization (PSO), etc. With the recent up-gradation in wireless technology,mobile communication between various nodes has become possible. One of the most important characteristics in mobile wireless networks is the topology dynamics,the network topology keeps on changing due to energy conservation or node mobility. Therefore, the shortest path routing problem becomes a Dynamic Optimization Problem (DOP) in Mobile Networks. Here the use of various optimization algorithms to solve the dynamic shortest path problem in Mobile Networks and their comparisons are discussed.
Secure routing in wireless mobile Ad-Hoc network Secure routing in wireless mobile Ad-Hoc network Новинка

Secure routing in wireless mobile Ad-Hoc network

This book proposed two approaches for secure ad-hoc on demand distance vector routing (AODV) against black hole attack in mobile ad-hoc network. The black hole attack one of such security risks in mobile ad-hoc network (MANET). In this attack, a malicious node falsely advertise shortest path to the destination node with an intention to disrupt the communication. We propose a simple, efficient and effective method for making a secure routing protoccol with minimum routing overhead to combat the black hole problem. The proposed method does not require any database, extra memory and more processing power. The simulation results show effectiveness of the proposed method.The simulation results shows the efficiency of the proposed method as throughput of the network does not deteriorate in presence of the black hole attack
Routing Algorithms for 3D Ad Hoc Networks Routing Algorithms for 3D Ad Hoc Networks Новинка

Routing Algorithms for 3D Ad Hoc Networks

In position-based routing algorithms, the nodes use the geographical information to make routing decisions. Recent research in this field addresses such routing algorithms in two-dimensional (2D) space. However, in real applications, the nodes may be distributed in three-dimensional (3D) space. Transition from 2D to 3D is not always easy, since many problems in 3D are significantly harder than their 2D counterparts. This book focuses on providing reliable and efficient position-based routing algorithms with the associated pre-processing algorithms for various 3D ad hoc networks. The first part of this book proposes a constant time algorithms that construct an independent dominating set and connected dominating set of a Unit Disk Graph in a 3D environment. The second part of the book proposes an implementation of 3D versions of many current 2D position-based routing algorithms in addition of creating many new algorithms that are specially designed for a 3D environment. It has been showed that these new routing algorithms can achieve nearly guaranteed delivery while discovering routes significantly closer in length to a shortest path.
Efficient and Salable Communication in WSN through XLP Efficient and Salable Communication in WSN through XLP Новинка

Efficient and Salable Communication in WSN through XLP

This book explains Wireless Sensor Networks energy constraints of battery-powered sensor nodes necessitate energy-efficient communication. The major existing solutions are based on classical layered protocols approach, which leads to significant overhead. It is much more efficient to have a unified scheme which blends common protocol layer functionalities into a cross-layer module. In this paper, a efficient crosslayer protocol (XLP) is introduced, which achieves congestion control, data fragmentation, routing, and medium access control in a cross-layer fashion. Our approach combines medium access organization with routing. in a cross-layer simulation platform, the state-of-the- art layered and cross-layer protocols have been implemented along with XLP for performance evaluations. XLP significantly improves the communication performance and outperforms the traditional layered protocol architectures in terms of both network performance and implementation complexity.
Multipath Data Transmission in Ant Colony Optimization Multipath Data Transmission in Ant Colony Optimization Новинка

Multipath Data Transmission in Ant Colony Optimization

This books lights the Ant Colony Optimization for MTSP and Swarm Inspired Multipath Data Transmission with Congestion Control in MANET using Total Queue Length based on the behavioral nature in the biological ants. We consider the problem of congestion control for multicast traffic in wireless networks. MANET is multi hop wireless network in which the network components such as PC, mobile phones are mobile in nature. The components can communicate with each other without going through its server. One kind of agent (salesman) is engaged in routing. One is Routing agent (salesman), who collects the information about network congestion as well as link failure and same is message agent (salesman) that uses this information to get his destination nodes. Though a number of routing protocols exists, which aim to provide effecting routing but few provide a plausible solution to overall network congestion. We attempt to explore the property of the pheromone deposition by the real ant for MTSP. The proposed algorithm using path pheromone scents constantly updates the goodness of choosing a particular path and measuring the congestion in the network using total queue length and Hop-distance
Embedding QoS in Wireless Mesh routing Embedding QoS in Wireless Mesh routing Новинка

Embedding QoS in Wireless Mesh routing

This book covers The key advantages of Wireless Mesh networks. QoS requirements and challenges in providing QoS in wireless Networks are discussed in detail. Key aspects of routing metric designing issues. This book also covers the Optimized Link State Routing (OLSR) in detail. A large set of Link aware routing metrics is covered. A novel approach for estimation of node to node available bandwidth is explained with illustration. A WCMAB metric for routing in multirate Wireles Mesh Networks is derived.
Routing Protocols for Ultra-Wideband Mobile Ad Hoc Networks Routing Protocols for Ultra-Wideband Mobile Ad Hoc Networks Новинка

Routing Protocols for Ultra-Wideband Mobile Ad Hoc Networks

MANET field is one of the most vibrant and active research fields in wireless communications networking. MANET can be built around any wireless technology. Wireless communication networks have witnessed recently the introductory of a promising transmission technology called UWB. In MANET, routing protocols are needed to establish and maintain connections between nodes. The main goal of this thesis is to design efficient routing protocols for MANET based on UWB technology in a production line in a factory which is an industrial indoor application. The production line network scenario was defined and simulated in ns-2 simulator as basis for the investigations. In these investigations, AODV, DSR, and OLSR were considered. In addition, closed-form formulas were found for the channel capacity of MANET as a tool for benchmarking and validation. Based on the investigations, two approaches were proposed to design efficient routing protocols for the production line scenario. Based on the first approach, a new routing protocol was designed and it was called Ad-Hoc On-Demand Multipath Source Routing protocol.
Ad Hoc Wireless Networks: Architectures and Protocols Ad Hoc Wireless Networks: Architectures and Protocols Новинка

Ad Hoc Wireless Networks: Architectures and Protocols

Providing a convenient routing protocol for MANETs is a challenge because of the dynamic topology. Therefore, the suitability of each routing protocol depends on many parameters such as, network size, node mobility speed, andtraffic load. All that, together with the dynamic nature of MANETs, made an optimum routing protocol selection a complicated task. Extensive nodal mobility of MANETs makes multi-hop routinga genuine challenge. The frequent topology changes and variable propagation conditions make a routing table obsolete very quickly, whichresults in enormous control overhead for route discovery and maintenance. In this book we develop and present a new hybrid routing protocol called Multipath Distance VectorZone Routing Protocol, which is referred to as MDVZRP. In MDVZRP we assume that all the routes in the routing table are active and usable at anytime, unless the node received or discovered a broken link. There is no need to periodicallyupdate the routing tables, therefore reducing the periodic update messages and hence reducing the control traffic in the entire network. The protocol guarantees loop freedom and alternative disjoint paths.
Performance Analysis of Swarm Intelligence Based Routing Protocols Performance Analysis of Swarm Intelligence Based Routing Protocols Новинка

Performance Analysis of Swarm Intelligence Based Routing Protocols

The ant colony algorithm is one of the most successful experiences based on swarm intelligence. Ant colonies reside in social insect societies and maintain distributed systems that present a highly structured social organization despite of the simplicity of their individuals. In this book, Intelligent AntNet based Routing Algorithm (IANRA) is presented for routing in WMNs and MANET to find optimum and near-optimum paths for data packet routing. Furthermore the performance of proposed IANRA has been investigated and compared with other Routing protocols in the same category.
Кронштейн для ТВ Samsung WMN-M21EB Black Кронштейн для ТВ Samsung WMN-M21EB Black Новинка

Кронштейн для ТВ Samsung WMN-M21EB Black

Отрегулируйте и правильно настройте положение телевизора с помощью настенного крепления WMN-M21EB .
POWER AWARE RELIABLE MULTICASTING ALGORITHM FOR MOBILE AD HOC NETWORKS POWER AWARE RELIABLE MULTICASTING ALGORITHM FOR MOBILE AD HOC NETWORKS Новинка

POWER AWARE RELIABLE MULTICASTING ALGORITHM FOR MOBILE AD HOC NETWORKS

Multicasting in mobile ad hoc networks has found many real life applications such as teleconferencing, video conferencing, and multi-user gaming. Despite that multicasting can utilize the broadcast nature of the network, it has been facing many challenges such as limited node power. Multicast routing protocols and metrics used to build multicast routes have direct impacts on power consumption in mobile networks. In this work new unconventional metrics are considered to achieve more reliable and stable routing paths. Routing decisions in the new power aware protocol introduced in this book will be taken in a manner such that the longest living path would be chosen, and at the same time not being greedy in killing some nodes.
Routing Optimization in OSPF Routing Optimization in OSPF Новинка

Routing Optimization in OSPF

The Open Shortest Path First (OSPF) protocol is ahierarchical interior gateway protocol (IGP) forrouting in Internet Protocol. Traffic flows routedalong shortest path and splits the load equally atnodes where a number of outgoing links on theshortest paths to the same destination IP address.Network operator defines shortest paths based on alink weights value assigned to each link in thenetwork. The OSPF link weight-setting problem seeks aset of link weights to optimize a cost function andnetwork performance, typically associated with anetwork congestion measure. These researcheshighlight the importance of managing network resourceand avoiding congested point in the current widelydeployed shortest path routing.
Ants Guide You to Good Route Ants Guide You to Good Route Новинка

Ants Guide You to Good Route

Dynamic routing algorithms play an important role in avoiding congestion over road traffic routing. The application of Dynamic Routing algorithm provides the best routes that minimize traffic congestion. The utilization of Ants algorithms in road network routing has been studied extensively by many researchers. One of the popular algorithms which are widely adopted in road traffic routing is the AntNet algorithm. In this work, the utilization of AntNet routing algorithm has been further enhanced and applied for the dynamic routing of road traffic network. This enhanced algorithm, not only, reduces computation which, consequently, decreases the computational complexity; but also, discovers an agile good solution and dynamically conserves the discovered good route. The enhancement of the algorithm is accomplished, by introducing a new type of ants called “check ants” and defining a new data updating strategy for the backward ant.
Issues of Routing in VANET Issues of Routing in VANET Новинка

Issues of Routing in VANET

In this study we try to figure out the problems and challanges that became hurdle for the reliable routing in Vehicular Adhoc Network.We selected topology and position based ad hoc routing protocols and compare their performance in VANET.We carried out different simulations of several topology and postion based routing protocols against each other.From the simualtion results we realize that postion based routing protocols have more promising results than topology based protocols.Furthermore in this study we conclude that position based routing should be adopt in order to provide more reliable routing in highly dynamic nature of VANET.
Secure MANET Communication Based on Hybrid Cryptosystem Secure MANET Communication Based on Hybrid Cryptosystem Новинка

Secure MANET Communication Based on Hybrid Cryptosystem

Design and development of security-aware and performance efficient routing protocols for Mobile Ad hoc Network is an active area of research. AODV is one of prominent routing protocol for MANET routing. To exchange session key using public key crypto in a single step with route establishment phase CAODV was proposed. Inspired from CAODV in this work we propose a security extension of AODV and developed a new routing protocol for MANET- SCAODV- adding security field which enable the protocol to run in sixteen different modes according to the security desired. The proposed protocol can also exchange session key in single step with route establishment. We evaluate and compare the performance of SCAODV protocol with AODV and CAODV. Simulation results demonstrate that SCAODV consistently outperforms CAODV protocol in terms of routing latency, data packet delay, packet delivery ratio and packet drop. Proposed protocol has the properties of resistance to Spoofed Routing and Secure Key Exchange with Confidentiality, Integrity, Authenticity, Non repudiation and Verifiability.
BUILT-IN SELF-TEST OF GLOBAL ROUTING RESOURCES IN FPGAS BUILT-IN SELF-TEST OF GLOBAL ROUTING RESOURCES IN FPGAS Новинка

BUILT-IN SELF-TEST OF GLOBAL ROUTING RESOURCES IN FPGAS

It is important to test programmable routing resources in Field Programmable Gate Arrays (FPGAs) because they take up the largest portion of configuration memory bits. In Virtex-4 FPGAs, routing resources account for over 80% of the configuration memory. Built-In Self-Test (BIST) is adopted to test the routing resources in FPGAs and overcomes issues residing in previously developed test approaches. Analysis and evaluations of developed BIST algorithm and configurations are provided.
Intelligent Routing in Multimedia Sensor Networks Intelligent Routing in Multimedia Sensor Networks Новинка

Intelligent Routing in Multimedia Sensor Networks

Wireless Multimedia Sensor Networks (WMSNs) are a new and emerging type of sensor networks in which sensor nodes are equipped with cameras, microphones, and sensors producing both scalar and multimedia content. Multimedia data require un-interrupted data transmission, greater bandwidth, memory, power and low latency. Routing of data in a resource constrained network is a major issue in WMSNs. Paths in WSNs routing protocols are established based on min hops, max available power and low latency etc. In WMSNs, routing protocols are required to route large multimedia data as compared to scalar data in WSNs. Also, low latency and efficient bandwidth utilization is required in WMSNs. Therefore, routing protocols need to select disjoint paths or multi-paths for information delivery. The routing protocols used for routing multimedia content over sensor networks are discussed. The authors have provided readers with an intelligent routing protocol that establishes paths on the basis of traffic load, hop count and node energy. The protocol aims to find completely or partially disjoint paths for routing multimedia traffic with relatively minimum distance.
On-Demand Routing and Security in Mobile Ad-hoc Networks On-Demand Routing and Security in Mobile Ad-hoc Networks Новинка

On-Demand Routing and Security in Mobile Ad-hoc Networks

Secure routing in Mobile Ad hoc Networks (MANETs) has emerged as an important MANET research area. Existing works in MANET focused mainly on the problem of providing efficient mechanisms for finding paths in very dynamic networks, without considering the security of the routing process. This work proposes a secure routing protocol after an in-depth evaluation and performance analysis of MANET protocols, and security.
Investigation of throughput and QoS optimization techniques in WMNs Investigation of throughput and QoS optimization techniques in WMNs Новинка

Investigation of throughput and QoS optimization techniques in WMNs

Wireless Mesh Networks is one of the most promising wireless technologies of the future. Its tolerance factor against the network failures, convenience of set-up and manageability are one of its major advantages.Though WMNs are very similar to Mobile Ad Hoc Networks, the protocols designed for ad hoc perform very poor when applied in WMNs. The research has mainly focused on the evaluation of routing protocols to be used in WMNs.The purpose of studying and comparing these protocols in WMN environment is to propose that which protocol is more adaptive for WMNs and can be further optimized to exploit other salient features of this technology. The simulation and modelling for performance analysis of WMNs has been performed in OPNET for collecting precise data statistics in real time scenarios.
Фирменный кронштейн для ТВ Samsung WMN-M21EB Фирменный кронштейн для ТВ Samsung WMN-M21EB Новинка

Фирменный кронштейн для ТВ Samsung WMN-M21EB

Материал корпуса: металл, Для моделей с диаг. экрана: 75", Тип подвеса: наклонный, Диап. регулировки наклона: до 10*, Страна: Корея, Максимальная нагрузка: 50 кг, Цвет: черный
Фирменный кронштейн для ТВ Samsung WMN-M22EB Фирменный кронштейн для ТВ Samsung WMN-M22EB Новинка

Фирменный кронштейн для ТВ Samsung WMN-M22EB

Цвет: черный, Тип подвеса: наклонный, Страна: Корея, Диап. регулировки наклона: до 10*, Для моделей с диаг. экрана: 75", Максимальная нагрузка: 50 кг, Материал корпуса: металл
Effect of QoS Mechanisms on Power-Constrained Wireless Mesh Networks Effect of QoS Mechanisms on Power-Constrained Wireless Mesh Networks Новинка

Effect of QoS Mechanisms on Power-Constrained Wireless Mesh Networks

Wireless Mesh Network (WMN) is a collection of wireless nodes which can dynamically communicate with one another in multi-hop manner. WMN has received considerable attention as a means to connectivity in community and commercial entities. The easy deployment and self-management characteristics of WMN, makes it a good choice for rural areas. However, in most developing countries, electricity is scarce or unreliable in the rural areas. A candidate solution to the lack of electricity supply in these areas is the use of solar/battery-powered nodes. Significant efforts have gone into optimization of QoS provisioning in WMN; hence, a lot of QoS mechanisms on OSI layer have been proposed. It is, however, not clear how different QoS mechanisms on OSI layer affect the node lifetime and the energy cost per bit. Different protocols at different layers have varying effects on the energy efficiency of the battery-powered WMN nodes, when those protocols are subjected to various transmission power levels and payload sizes. The goal of this study is to evaluate how different existing QoS mechanisms affect the operational lifetime of battery-powered WMN nodes.
Survey on Ad hoc Network Routing Protocols Survey on Ad hoc Network Routing Protocols Новинка

Survey on Ad hoc Network Routing Protocols

An ad hoc network is a collection of autonomous mobile nodes to forming an instant multihop radio infrastructure-less network in a dynamic topology. Each node in Ad hoc network, functions as host and router at the same time, where maintaining connectivity in a decentralized manner by distributing the network control among the nodes. Many routing protocols for mobile ad-hoc networks are presented since last decade. Topology frequently changing, transmission power and asymmetric links are the main challenge that types of protocols is facing. This has led to development of many different routing protocols for networks. In this review work, we provided an overview of a wide range of routing protocols proposed in the literature till date. To the best of our knowledge, this is the first paper that studies nearly 52 existing routing protocols in Ad hoc Networks.
Фирменный кронштейн для ТВ Samsung WMN-M12EB Фирменный кронштейн для ТВ Samsung WMN-M12EB Новинка

Фирменный кронштейн для ТВ Samsung WMN-M12EB

Максимальная нагрузка: 30 кг, Диап. регулировки наклона: до 10*, Для моделей с диаг. экрана: 55" - 65", Материал корпуса: металл, Тип подвеса: наклонный, Цвет: черный, Страна: Корея
Energy-efficient Secure Routing in Wireless Sensor Networks Energy-efficient Secure Routing in Wireless Sensor Networks Новинка

Energy-efficient Secure Routing in Wireless Sensor Networks

In this book we propose an energy-efficient secure routing for wireless networks based on symmetric key cryptography. The proposed crypto system is session based and the session key is changed after the expire of each session. We divide the network into number of clusters and select a cluster head within each cluster. Communication between sensor and the sink takes place at the three levels; sensor> cluster-head > sink. Encryption of the sensed data is transmitted to the cluster head, which aggregated the data received from the sensor nodes of its cluster before forwarding to the next cluster head on the path or to the sink . Sensors do not participate in the routing scheme; their energy is conserved at each sensor node.
Multiprotocol Label switching concepts Multiprotocol Label switching concepts Новинка

Multiprotocol Label switching concepts

Multi Protocol Label Switching is an emerging technology used for fast transmission of data and avoid congestion. This book focusses on MPLS complete study of its working and different types of VPNs that can be implemented. This book also focusses on other protocols which run at the backbone and their implementation and working in details for better understanding. Multi protocol label switching works on the labels and these labels can be used to find path for the packets within the networks. There are different planes which are used to find the path for the routers. Thus enable router to find the path in an efficient manner than traditional routing protocol.
Route Optimization in Mobile IP Route Optimization in Mobile IP Новинка

Route Optimization in Mobile IP

Mobile IP has seen slow deployment for two major reasons; the need for enhancing edge routers with Home Agent/Foreign Agent functionality and the fact that triangle routing in such systems is not efficient. Triangle Routing is defined as the route that must be taken through the Home Agent for any traffic sent by the Correspondent Node to the Mobile Node. This route is triangle in nature and longer than the normal path between the Corresponded Node and the Mobile Node. Many protocols and research efforts have been developed to solve this problem. This book proposes a technique called Internet Service Provider Mobile IP Border Gateway (ISP MBG) for solving the Triangle Routing Problem in conventional Mobile IP protocol using the Internet Service Providers separated by a Mobile IP Border Gateways (MBGs). This proposed technique has been implemented and tested on the Microsoft.net platform. Simulation results prove that the new framework has solved the Triangle Routing Problem in Mobile IP by providing a shorter route with a minimum transmission time for all the datagrams transferred between the Correspondent Nodes and the Mobile Nodes.
Reputation Based Routing Protocol Using Mobile Agents In Manets Reputation Based Routing Protocol Using Mobile Agents In Manets Новинка

Reputation Based Routing Protocol Using Mobile Agents In Manets

This book is the contribution of Ms.Sangheethaa S as part of her Ph.D work. This book explains the Dynamic Source Routing based protocol for Mobile ad-hoc networks. The approach uses mobile agents for finding routes. This book also gives the simulation results done using ns2. This book will be of great help for those who wish to do research in ad-hoc networks and routing protocols of ad-hoc networks. It talks about vulnerabilities of ad-hoc networks and gives more scope for future research in this area.
Подвес для колонок Samsung WMN300SB Подвес для колонок Samsung WMN300SB Новинка

Подвес для колонок Samsung WMN300SB

Тип крепления к подвесу: VESA 400, Тип подвеса: фиксированный, Настенный кронштейн для АС: Да, Вес: 2.2 кг, Цвет: серый, Для моделей с диаг. экрана: 49" - 65", Материал корпуса: металл, Страна: КНР, Совместимость с изогнутым ТВ: Да, Максимальная нагрузка: 8 кг, Набор для установки : в комплекте
Secure Routing Protocol for ICMN Secure Routing Protocol for ICMN Новинка

Secure Routing Protocol for ICMN

The routing in ICMN is an intricate task but recent techniques have adopted many routing methodologies with reasonable performance, the mode of secure communication remains a dispute. Enhancing security across such spasmodic environment requires tremendous effort that establishing security criterion should not degrade the performance of routing. Also the main application of ICMN is for military reconnaissance scenario, the security issues are to be employed under consideration. Hence the objective of the research prevails with the motto of implementing security mechanisms without altering the original routing performance.This secure routing aids in detecting and preventing intrusion of malicious nodes. The routing process is made adorable through ANT colony optimization (ACO). Since ICMN is prompt to higher delays certain authentication series are used to enable secure communication within the network.
An Efficient Algorithm for Cost effective Mechanism in WDM Network An Efficient Algorithm for Cost effective Mechanism in WDM Network Новинка

An Efficient Algorithm for Cost effective Mechanism in WDM Network

In this project, we have proposed an efficient re-routing algorithm by dynamic routing in Bi-directional WDM optical network. In wavelength division multiplexing network, a heuristic algorithm is used for routing and wavelength assignment. The main objective of this is to minimize the requirement of wavelength and hop length between S-D nodes in the traffic. In this project we have to considering a wavelength routed WDM optical network and then implementing Heuristic algorithm on it. We have to divide our work mainly into two phases. In the first phase, existing routing is performed using Dijkstra’s algorithm and in second phase of algorithm proposed algorithm is performed to reduce the number of wavelengths required in the first phase of the network which minimizes the hop count of each route.
Routing Protocols for Wireless Sensor Networks Routing Protocols for Wireless Sensor Networks Новинка

Routing Protocols for Wireless Sensor Networks

Reducing the energy consumption of available resources is still a problem to be solved in Wireless Sensor Networks (WSNs). Many types of existing routing protocols are developed to save power consumption. In these protocols, cluster-based routing protocols are found to be more energy efficient. A cluster head is selected to aggregate the data received from root nodes and forwards these data to the base station in cluster-based routing. The selection of cluster heads should be efficient to save energy. In this book, a detailed discussion of a new routing protocol (AZR-LEACH) is given after a brief discussion of general routing protocols used for WSNs. In AZR-LEACH protocol, static clustering is used for the efficient selection of cluster heads. The AZR-LEACH routing protocol works efficiently in large as well as small areas. A large sensor field is divided into rectangular clusters for an optimal number of cluster head selection. Then these rectangular clusters are further grouped into zones for efficient communication between cluster heads and a base station.
Optimization Of Routing Protocol In Manet Using GA Optimization Of Routing Protocol In Manet Using GA Новинка

Optimization Of Routing Protocol In Manet Using GA

Ad hoc mobile devices heavily depend on the performance of batteries. Optimizing the power consumption is a very crucial issue. To maximize the lifetime of mobile ad hoc network, the power consumption rate of each node must be reduced. In this paper we present a novel energy efficient routing algorithm based on mobile agents to deal with the routing mechanism in the energy-critical environments. A few mobile agents move in the network and communicate with each node. They collect the network information to build the global information matrix of nodes. The routing algorithm chooses a shortest path of all nodes in all possible routes. Additionally, we compare the performance of power-relation routing protocol DSR (Dynamic Source Routing)in simulation environment. The results show that the survivability of Ad Hoc network has been better because of less energy consumption when usingour improved DSR as compare to standard DSR protocol.
Securing AODV Routing Protocol in design of Mobile Ad-hoc Networks Securing AODV Routing Protocol in design of Mobile Ad-hoc Networks Новинка

Securing AODV Routing Protocol in design of Mobile Ad-hoc Networks

Routing is an important function in MANETs. Performance of various Proactive, Reactive and Hybride Routing Protocol have been studied, analyzed and evaluated through the simulations in Network Simulator-2. Early work in routing mainly focussed on providing efficient mechanisms for finding paths in dynamic networks. Security issues were not taken into consideration. Interestingly, designing adequate security schemes for these innovative networks is very challenging. The objective of writing this book are (i) To make the readers aware of the fundamentals of Mobile Ad hoc Networks and its working (ii) To understand the issues and challenges of deployment and maintenance of MANETs (iii) Study, analysed and evaluate performance of proactive, reactive and hybrid routing protocol through the simulations in Network Simulator-2 (iv) Provide a broad and comprehensive overview of the research that has been done to secure AODV routing protocol in design of MANETs and (v) Propose a novel approach to secure AODV routing protocol from insider attacks. This book will be very much useful for Ph.D, Research Scholar and Graduate Students who wish to carry out their research in Mobile Ad Hoc Networks.
Routing protocols in wireless sensor network Routing protocols in wireless sensor network Новинка

Routing protocols in wireless sensor network

The book provides an advantages of popular routing protocols for WSN and also some compare with some routing protocol and how it suits with realistic environments. The text also provides examples, diagrammatic, graphical and tabular representation of the power efficiency of all the discussed routing protocols and application is also investigated. This book is for the readers who wish to explore The routing mechanism in the network and its current development. Apart from this the book also covers the application using WSN which can aid in development of an early alarm system in tedious case
Evaluation of MANET Routing Protocols in Realistic Environments Evaluation of MANET Routing Protocols in Realistic Environments Новинка

Evaluation of MANET Routing Protocols in Realistic Environments

Recently, many researchers have become interested in MANET (Mobile Ad-hoc NETworks) to create a self-configurable network without an existing communication infrastructure. This type of networks could be widely deployed in our society for inter-vehicle communication, rescue operations or entertaining applications. One of the most important points in a MANET is to decide the best routing protocol to handle its applications. The performances of a routing protocol are strongly connected with the environmental characteristics making its choice a challenging task. In this research, the results of a detailed performance evaluation on several MANET routing protocols working under realistic environments are presented. The routing protocols, mobility models and other aspects are explained and discussed in order to accurately use them to represent real-life conditions.
OPTIMIZATION OF ROUTING ALGORITHM FOR WSN USING ACO OPTIMIZATION OF ROUTING ALGORITHM FOR WSN USING ACO Новинка

OPTIMIZATION OF ROUTING ALGORITHM FOR WSN USING ACO

Wireless Sensor Network is the emerging research area due to its large number of applications such as environment monitoring, battle surveillance, health monitoring, target detection etc. WSN faces various challenges such as lifetime, fault tolerance, scalability, maintainability etc. Lifetime depends on energy wastage which can be reduced by using proper routing algorithm. In this work a routing algorithm is designed which includes the improvement of factors that affects energy of WSN nodes i.e. collision, overhearing, idle listening etc. and also the routing algorithm should be optimized by a technique known as ANT COLONY OPTIMIZATION which gives the shortest path.
Ad hoc Routing Protocols Ad hoc Routing Protocols Новинка

Ad hoc Routing Protocols

Mobile Ad hoc Network (MANET) is a multi-hop wireless network, without having pre-existing infrastructure and centralized administration. Each node participating in the network acts both as host as well as a router. Prominent characteristics of Ad Hoc Networks viz. Dynamic topology, Limited Physical Security, Energy Constrained operations throw challenge in the development of robust and efficient routing protocols. The Ad Hoc Routing protocols can be categorized broadly into Proactive, Reactive and Hybrid Routing Protocols. This literature is an attempt to understand the behavior of three Ad hoc routing protocols which falls in three different categories of routing. The protocols under consideration for study are Ad hoc On Demand Distance Vector Routing Protocol (AODV) which follows Reactive Routing scheme, Destination Sequence Distance Vector Routing Protocol (DSDV) is categorized as Proactive and Zone Routing Protocol (ZRP) is Hybrid in nature. The performance differentials shall provide an insight about the sensitivity of the protocols when operating in more challenging environment such as rapid change in network topology or the density of the network.
Effect of Network topology on Routing Protocol's Efficiency Effect of Network topology on Routing Protocol's Efficiency Новинка

Effect of Network topology on Routing Protocol's Efficiency

In the age of internet all people want a high speed data communication. For worldwide communication need a large network. The speed of any network is basically dependent on the data transfer rate and the delay. If the delay is small in any network the data transfer rate is increases. In this project we will try how to minimize the delay in the transmission path using different type of routing protocols. We consider a large network for my project purpose. The network consists by the routers, switches, and PCs. Configure the network using software named Packet tracer v5 and Boson v7. Before explore our project work we must need to know about IP subnet. Without subnet we can’t configure any routers, hosts, or switches. Because can’t set the source address and destination address.
Energy Efficient Routing in Wireless Sensor Networks Energy Efficient Routing in Wireless Sensor Networks Новинка

Energy Efficient Routing in Wireless Sensor Networks

Wireless sensor network is a network of spatially distributed nodes to monitor certain application specific data. It consists of large number of sensor nodes with one or more base stations. The data is communicated from sensor nodes to the base station either directly or in multihop fashion. Routing is a key challenge in sensor networks, because nodes in the networks are constrained by energy, processing power, and memory. Such motivation drives motivation to design energy efficient routing protocols for sensor networks to prolong network lifetime. In this study i proposed a new multihop routing algorithm named energy efficient protocol using ring zone model (EEPRM). The protocol is simple and does routing decisions based on remaining energy of nodes, and does location based routing without the need for the nodes to know their positions.Simulation-based evaluation of EEPRM in OMNET++ conducted and the protocol is compared against well known protocols including An Address Light Integrated MAC and Routing Protocol for WSN,Flooding and AODV.Simulation results show that EEPRM outperforms AIMRP, AODV, and Flooding in terms of end to end delay, average hop count, and energy efficiency.
Smart - AODV Routing Protocol In Vehicular Ad-hoc Networks Environments Smart - AODV Routing Protocol In Vehicular Ad-hoc Networks Environments Новинка

Smart - AODV Routing Protocol In Vehicular Ad-hoc Networks Environments

This study improves the neighbor discovery in VANETs and in doing so decreases the network overhead and increases performance AODV routing protocol. Since AODV is a part of reactive routing protocols, if a request is sent from the source, a link would be created to the destination.The neighbor discovery is created through HELLO message. The HELLO message is broadcasted to all nodes at a specific time and this happens through the use hello timer and is calculated by Hello _interval default value, Min Hello_ Interval and Max Hello_Interval multiplied random number. This STUDY aims at sending HELLO message and through considering the various conditions of the nodes (such as Up, Down and In_Repair), place the unsaved information in the routing table. This condition is not considered for the In repair mode because a node might be in repair mode in the ti but may not be in this mode at the ti+1. It might be arranged according to the up mode and this can cause a freshness and closer path. In order to solve this problem, a function was introduced which checks all node continually. If they are in an Up or In_Repair mode, the HELLO message packet is sent and ACK is received.
Trust Based Routing Protocols for Wireless Sensor Network Trust Based Routing Protocols for Wireless Sensor Network Новинка

Trust Based Routing Protocols for Wireless Sensor Network

A Wireless Sensor Network (WSN) is also considered as an adhoc network in which nodes are extended with sensing capability. The nodes of WSN are randomly deployed in harsh environment for detecting and tracking the passage of troops and tanks on a battlefield and measuring the traffic flows on roads. So, the sensing nodes are prone to different types of routing attacks. The various routing attacks are spoofed routing information attack, HELLO flood attack, sybil attack, selective forwarding attack, sinkhole/black hole attack and worm hole attack. These attacks disrupt the routing mechanism of WSN by compromising the benevolent nodes. Therefore, different security mechanisms are needed for self organizing mobile WSN to prevent these attacks. To summarise, in this work various trust based routing protocols for WSN have been evaluated and is found to enhance the performance of WSN by evading the compromised nodes in the network. This work can be extended further by implementing trust based routing protocols in heterogeneous sensor networks along with energy efficient algorithms for different traffic services.
Efficient Recovery Mechanisms over IGP and MANET Networks Efficient Recovery Mechanisms over IGP and MANET Networks Новинка

Efficient Recovery Mechanisms over IGP and MANET Networks

Over the last few years, the use of the internet services and applications such as phone calls, e-mails, video conferencing, catch up TV, audio and video streaming in general, which heavily rely on the network communications has increased. Reliable connections between the end users are vital for providing such internet services. In such networks, link or node failures can occur suddenly and without any notifications which will make more interruptions for the data transmission between source and destination. Hence, the network performance will be reduced significantly since more time is needed to reroute the traffic, which can create sever interruptions for delay sensitive services such as voice and video. A pre-computed backup path in advance can provide a valuable solution to reroute the data packets during the network recovery time. In this book, we study several factors to compute the backup path between source and destination such as (network design, Bandwidth, Shortest path). We show results of several efficient algorithms that have been implemented to compute the best backup route until the routing protocol re-updates the new routing table.
Energy Behavior of Routing Protocols for Mobile Ad-hoc Networks Energy Behavior of Routing Protocols for Mobile Ad-hoc Networks Новинка

Energy Behavior of Routing Protocols for Mobile Ad-hoc Networks

MANETs (Mobile Ad-hoc NETworks) are networks made up entirely of wireless devices, without the support of any fixed infrastructure. Because of their auto-configuring and self-managing features, and of their many application fields, MANETs have been one of the most investigated research fields in recent years. In particular, the interest of the scientific community is aimed at routing protocols for such networks, which should solve the problem of efficient multi-hop routing in a distributed environment. This work is focused on an aspect of MANETs that in recent years has become increasingly important: the evaluation of routing algorithms in terms of energy consumption. The study of mobile ad-hoc networks and of the routing algorithms has been carried out mainly through simulations. The algorithms and metrics for routing protocols, obtained by the adaptation, the improvement and the joint application of the solutions known in literature, have been implemented in the ns-2 network simulator software. The methodology used consists in the implementation of the algorithms and in the execution of a large number of simulations, in order to validate the effectiveness of the adopted scenarios
Node Mobility Based Route Selection in AODV Routing Protocol Node Mobility Based Route Selection in AODV Routing Protocol Новинка

Node Mobility Based Route Selection in AODV Routing Protocol

In this book, a new Route Selection Technique for AODV is proposed that selects the route on the basis of speed of intermediate nodes. A comparative analysis has been done on the performance of this new technique with the performance of Intelligent AODV (IAODV). IAODV uses RSSI values to find a route between source and destination. Although, the path selected by IAODV is of good quality but it is not very much stable because if any node which is moving with high speed is included within the path, it can break the path by moving out of the route. In this proposed mechanism, the nodes moving with minimum speed are selected to route data from source to the destination.
Wireless Sensor Network Routing Protocol and Disaster Mitigation Usage Wireless Sensor Network Routing Protocol and Disaster Mitigation Usage Новинка

Wireless Sensor Network Routing Protocol and Disaster Mitigation Usage

The book provides an illustration of popular routing protocols for WSN and also some newly proposed approaches for power efficiency as the sensors being backed up with battery die off as soon as their battery exhausts. The text also provides examples, diagrammatic, graphical and tabular representation of the power efficiency of all the discussed routing protocols. Moreover a fault tolerant system targeted for disaster mitigation application is also investigated. This book is for the readers who wish to explore The routing mechanism in the network and its current development. Apart from this the book also covers the disaster mitigation application using WSN which can aid in development of an early alarm system in advent of a disaster and sustainability of the network in such cases, where most of the public communication systems collapse.
Load and Interference Aware Routing Metric for WLAN Mesh Networks Load and Interference Aware Routing Metric for WLAN Mesh Networks Новинка

Load and Interference Aware Routing Metric for WLAN Mesh Networks

Wireless Mesh Networks recently attract significant interests due to the minimal infrastructure demands and their potential for supporting mobile and pervasive computing. This work introduces a routing scheme to find best performance routes in WLAN mesh networks. A cross-layer approach is used to overcome self-interference issue of existing load-aware routing metrics. The proposed routing metric was evaluated on a multi-hop wireless emulator which allows us to emulate wireless networks on a wired testbed. Design and implementation of AEROMAN (Architecture to Evaluate Routing Protocols for Multi-hop Ad-hoc Networks) used in the emulator are presented. AEROMAN is the first, to the best of our knowledge, fully distributed approach taking into account properties of contention-based media access for wireless channel, and does not require any special hardware to emulate wireless channel.
Фирменный кронштейн для ТВ Samsung WMN550M Фирменный кронштейн для ТВ Samsung WMN550M Новинка

Фирменный кронштейн для ТВ Samsung WMN550M

Максимальная нагрузка: 50 кг, Страна: Корея, Тип крепления к подвесу: до VESA 600х400, Для моделей с диаг. экрана: 32" - 65", Тип подвеса: настенный, Цвет: черный, Материал корпуса: металл
Models for a Class of Sustainable Supply Chain Routing Problems Models for a Class of Sustainable Supply Chain Routing Problems Новинка

Models for a Class of Sustainable Supply Chain Routing Problems

Vehicle Routing Problem (VRP) is widely dealt with in the last four decades. Methodologies were developed for many variants of VRP by different researchers. This work considers six set of variants of the aforesaid problem normally encountered in sustainable supply chain routing (SSCR) context but have not been given attention to hitherto. These variants of the classical VRP are complex and pertaining to six domains of SSCR. Simultaneous pick-up and delivery problem with maximum route length in the context of reverse supply chain, sequenced pick-up and delivery problem with time windows and heterogeneous vehicles in the domain of constrained supply chain, flexible pick-up and delivery problem with time windows and heterogeneous vehicles in the perspective of resilient supply chain, balanced allocation and routing optimization problem in responsive supply chain, inventory level allocation and routing optimization problem in responsive supply chain and multi-criteria allocation and routing optimization problem in distribution and sourcing channel in collaborative supply chain are the new variants proposed in this research.
Intelligent MANET Optimisation System Intelligent MANET Optimisation System Новинка

Intelligent MANET Optimisation System

The overall aim of this book is to design and implement a novel intelligent optimisation system to solve the context-awareness problem in MANET routing. As this book raises a very important point in MANET that is, although there have been many MANET routing protocols invented, each protocol is designed based on a particular context condition. This is problematic because network conditions are not constant and, in a MANET dynamic environment, that particular context condition will not last long. This book offered a solution for the above dilemma by inventing a system that, given a change in the network context, selects the optimum routing protocol from a predefined list which contains all important and well-implemented routing protocols. In another words, introducing an optimum system that is in charge of the selection of the running routing protocol at all times. This optimisation system is a novel approach that can cope with the network performance’s degradation problem by switching to other routing protocol. The system proposed for MANET in this book adaptively selects the best routing protocol using an Artificial Intelligence mechanism according to the network context.
OFETR:Protocol Based On Energy And Trust For Routing In WSN OFETR:Protocol Based On Energy And Trust For Routing In WSN Новинка

OFETR:Protocol Based On Energy And Trust For Routing In WSN

Wireless Sensor Networks (WSNs) have been widely considered as one of the most important technologies for the 21st century and have been proposed for variety of applications such as environment, health, military, and traffic control, industrial and commercial applications. In all these applications, energy usage is the determining factor in the performance of wireless sensor networks. Accordingly, methods of data routing and transferring to the base station are very important because the sensor nodes run on battery power and the energy available for sensors is limited. Energy efficiency is one critical issue for sensor networks because many sensors are equipped with batteries that have limited life time.This book is focused on Opportunistic routing which is a recent technique that achieves high throughput in the face of lossy wireless links. The existing opportunistic routing protocol, ExOR (ties the MAC with routing) and MORE (MAC-independent) did not explore the benefit of selecting the appropriate forwarding list to minimize the energy cost. In this a new protocol called OFETR (Selecting Optimal Forwarder based on Energy and Trust for Routing) has been proposed.

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Routing is an important function in MANETs. Performance of various Proactive, Reactive and Hybride Routing Protocol have been studied, analyzed and evaluated through the simulations in Network Simulator-2. Early work in routing mainly focussed on providing efficient mechanisms for finding paths in dynamic networks. Security issues were not taken into consideration. Interestingly, designing adequate security schemes for these innovative networks is very challenging. The objective of writing this book are (i) To make the readers aware of the fundamentals of Mobile Ad hoc Networks and its working (ii) To understand the issues and challenges of deployment and maintenance of MANETs (iii) Study, analysed and evaluate performance of proactive, reactive and hybrid routing protocol through the simulations in Network Simulator-2 (iv) Provide a broad and comprehensive overview of the research that has been done to secure AODV routing protocol in design of MANETs and (v) Propose a novel approach to secure AODV routing protocol from insider attacks. This book will be very much useful for Ph.D, Research Scholar and Graduate Students who wish to carry out their research in Mobile Ad Hoc Networks.
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