Comparative Analysis of DSR with CA-AOMDV Routing Protocol in MANET
- 1Anna University Chennai, Assistant Professor in IT Dept, Jayaraj Annapackiam CSI College of Engineering., US
- 2Anna University Chennai, Assistant Professor in IT Dept, Dr.Sivanthi Aditanar College of Engineering. , IN
- 3Anna University Chennai, , IN
- 4, , IN
MANET consists of several wireless mobile nodes which dynamically exchange data among themselves without the reliance on a fixed base station or a wired backbone network. Multipath routing allows the establishment of multiple paths between a pair of source and destination node. It is typically proposed in order to increase the reliability of data transmission or to provide load balancing and has received more and more attentions. Multipath routing protocol based on DSR protocol, which incurs only 2n control packets for a route discovery and does not require new types of control messages over DSR. We propose a scheme to improve existing on-demand routing protocols by creating a mesh and providing multiple alternate routes. Their algorithm establishes the mesh and multipath without transmitting any extra control message. Specifically, the proposed DSR uses the channel average nonfading duration as a routing metric to select stable links for path discovery, and applies a preemptive handoff strategy to maintain reliable connections by exploiting channel state information. DSR utilize the multipath functionality at each hop.
Conclusion
We have proposed an on-demand multipath distance vector protocol CAAOMDV that extends the single path AODV protocol with DSR to compute multiple paths. There are two main contributions of this work. We show how route discovery mechanisms in the AODV protocol can be modified to obtain link disjoint multiple paths from source and intermediate nodes to the destination. We use the notion of an advertised hop count to maintain multiple loop free paths in the distance vector framework. We have studied the performance of CAAOMDV with DSR relative to AODV under a wide range of mobility and traffic scenarios.
We observe that DSR offers a significant reduction in delay, often more than a factor of two. It also provides reduction in the routing load and the frequency of route discoveries. In general, DSR always offers a superior overall routing performance than AODV in a variety of mobility and traffic conditions. Future work is to allocate frequency range for the mobile users in order to increase the Quality of Service.
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Keywords: Manet, Handoff, Channel Aware Routing, ANFD and AFD
Citation: Jenifus Selvarani *, D.Reena , Anita Sofia Liz,Kamala Malar,Jenifus Selvarani , D.Reena , Anita Sofia Liz,Kamala Malar ( 2013), Comparative Analysis of DSR with CA-AOMDV Routing Protocol in MANET. , 1(4): 1-9
Received: 01/06/2024; Accepted: 01/06/2024;
Published: 01/06/2024
Edited by:
Mr.ERES JOURNALS