Mobility

Modified Approach to Multipath Routing Protocols in Mobile Adhoc Networks

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Executive Summary

Mobile ad hoc networks are typically characterized by high mobility and frequent link failures. As a result, routing algorithms selecting a single path during route creation have to make frequent route discoveries resulting in decreased throughput and high end-to-end delay. Multipath routing approaches like DSR make use of pre-computed routes determined during route discovery. This solution, however, suffers during high mobility because the alternate paths are not actively maintained. Hence, precisely when needed, the routes are often broken. In this paper, the information gathered by a node about its neighbor, in addition to those mentioned, is used to dynamically determine the node to which a particular data packet has to be forwarded.

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