International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064

Research Paper | Computer Science & Engineering | India | Volume 2 Issue 5, May 2013

A Novel TAB Based Preemptive Multi-Hop Local Repair Algorithm for AODV in MANET

Deepika Patil, Nitika Vats Doohan

Maintaining the routing information for an infrastructure less network of MANET is considered as a complicated task. So many protocols deals with this routing updates like AODV, DSR, and TORA. During this route construction sometimes the route failure occurs & route repairing mechanism has to be initiated whenever it is required. Now this failed route has to be replaced before the loss of data. Considering AODV there are two approaches which deal with this link breakage. Link breaks between the routes can be handled either by reformation of new shortest route from the source to destination (Complete Source Repair), or intermediate route (Partial Local Route Repair) is formed. One of the key challenges in this context is that which one of the two is best and when to apply which of the two route repair strategies. In existing algorithm standard AODV uses a fixed hop count based threshold as a basis for deciding when to invoke Local Repair or Source Repair in case of a link break. The problem arises with this type of repairing mechanism is that the network is not clear that at which time what algorithms needs to be applied. So some condition has to be identified on the basis of which the decision can be taken. Also the decision must be pre-emptive so that the loss of data can be avoided before occurrence. This work proposes a novel Threshold Alarm Based Preemptive Route Repair Algorithm (TAB-PRRA) for Multi-Hop Local repair in AODV. It focuses on measuring those parameters which provides prior information (Preemptive) of link failure before its occurrence and also if the link break occurs that the network must know the time to start the route discovery

Keywords: MANET, AODV, TAB Threshold Alarm Based, PRRA Preemptive Route Repair Algorithm, RREQ, RREP

Edition: Volume 2 Issue 5, May 2013

Pages: 279 - 283


How to Cite this Article?

Deepika Patil, Nitika Vats Doohan, "A Novel TAB Based Preemptive Multi-Hop Local Repair Algorithm for AODV in MANET", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=IJSRON1201377, Volume 2 Issue 5, May 2013, 279 - 283

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