Multicast Routing Protocols In Mobile Ad Hoc Networks
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Multicast Routing Protocols in Mobile Ad Hoc Networks
The demand to exchange digital information using wireless communication system is growing fast nowadays. When there are independent mobiles users participating in sharing resources or interacting with each other, like wireless video sharing and interactive games, and no centralized connectivity is used, the application can be treated as the application of Mobile Ad Hoc Network. Two multicast routing protocols for Mobile Ad Hoc Networks (MANET) were proposed. The multicast routing protocol without Quality-of-Service (QoS) support aimed at improving packet delivery ratio. Data delivery tree was built on top of the mesh structure. The mesh structure was updated when there was no data delivery tree to cover all receivers. The branch of the tree was selected based on the link stability prediction. To do so, Packet Delivery Prediction (PDP) was introduced. Models like battery model and route selection model were used at every node in the system to predict the stability of the node/link and make date delivery decision according to the scheme defined. The multicast routing protocol with QoS support aimed at providing Quality of Service to real-time applications. Bandwidth and delay were the two major considerations for the proposed QoS-enabled protocol. The nodes in the system monitored the bandwidth consumption of itself as well as the neighboring nodes. Real-time traffic flow was admitted or rejected at the source based on the bandwidth availability feedback of the intermediate nodes. For admitted real-time traffic flow, the resource was set aside for a specific period of time, which was designed to take into account the mobility and packet inter-arrival delay requirement. Simulation showed the QoS-disabled as well as QoS-enabled multicast routing protocol can achieve their major design goal. The QoS-enabled routing protocol can admit or reject real-time traffic flow according to available bandwidth at the nodes. Real-time traffic was better served using QoS-enabled multi.
Multicast Routing Protocols in Mobile Ad Hoc Networks
Keywords: mobile ad-hoc network, multicast, routing, quality of service (QoS).
Securing Multicast Routing Protocols for Mobile Adhoc Networks
Author: E.A.Mary Anita
language: en
Publisher: LAP Lambert Academic Publishing
Release Date: 2012
The main assumption of ad hoc routing protocols is that all participating nodes do so in good faith without disrupting the operation of the protocol. However due to the absence of properly protected media and well trusted infrastructures, and the reliance on unknown third parties for data forwarding, MANETs are intrinsically vulnerable to various attacks which can compromise the confidentiality, integrity and authenticity of the exchanged information. The security issue of MANETs is even more challenging because of the involvement of multiple senders and multiple receivers. Achieving trustworthy and secure and reliable communication is a major technical challenge in MANETs.