Reputation methods for routing security for mobile ad hoc networks

Mitchell, Chris J; Yau, Po-Wah

Reputation methods for routing security for mobile ad hoc networks

Authors: Chris J Mitchell
Po-Wah Yau
Publication date: 1 January 2003
Publisher: 'Institute of Electrical and Electronics Engineers (IEEE)'

Abstract

Mobileadhocnetworkshaveinherentlyverydi#erentpropertiestoconventionalnetworks. Thesenewcharacteristics presentmajorsecurityvulnerabilities;inparticular,oneside e#ectoftheuniquewayinwhichroutingprotocolsoperate inadhocnetworksisthatmanynewthreatsarise.Selfishnodesarethosewhichdonotperformcertainopera - tionsthattheprotocolspecifiesthattheyshould,througha wishtoconservepower.Maliciousnodesmaydeliberately disruptthenetworkusingavarietyofattacks.Thispaper discussesreputationmechanismswhichhavebeensuggested asameanstomitigatethedetrimentale#ectofselfishand maliciousnodes.Thispaperrevealsreasonswhycomplex reputationsystemsmaybetooine#cienttouseinamobileadhocnetwork, whereresourcesarelimited.However, suggestionsarealsomadetoshowhowasimplereputation systemmightbeusedtoenhancetherobustnessofadhoc networks