mcchmisms. The motivation is that a bcttcr understditig of the relative tnerits will scrve as a corncrslonc Tor clcvclopinerit o f tiiore effcctivc routing protocols for rnohilc ad hoc nctwnrks. l'hc rest of the paper is orgaiiizcd as Iollows. In ihc lollowing scction, we briefly rcvicw tlic DSR and AODV proioculs. In Scction 111, wc prcscnt a detailed criliquc of thc two Ixotocols, focusing on thc differctices on their dynamic behaviors that can lcad to performancc diKcrcnccs. This lwys h w n much of the contcxt of thc pcrforinance study. Scctioti IV describcs ihc simtiliition cnvirontnent. Section V prcscnts ~h c siniulation rcsults followctI their inlcrprctations in Sec~ion VI. Related work is presented in Qccticin VII. We clraw our conclusions in Scction VIII, where we also makc rccoiiimendations f o r iin~~rovctl design of cithcr protocol. I[. L)ESCK~PTION n~ I'ROI'OL'OLS The key Twltirc o P DSR 131, [9] is rhc usc of sowm rolcliiig. That is, thc sctider knows tlic complctc hop-by-hop rauie lo thc destination. Thesc routcs iirc stored in a rtir<te cctche. 'l'lic (lata peckcts cnrIy thc source route in tlic packet Iieacler. When a node in tbc ad hoc nctwork attctnpis 10 scnd ii data packet to a destination for which it docs not already know thc route, it itscs ii mute discowly process to dynamically dcterminc such 11 routc. Route discovcry works tiy flooding the tic[-work wilb route rcqucst (KHEQ) pnckck lhch node recciving a RREQ, rebroarlcasis it, iinlcss it is the deslinarion or it has a route to the destination in its rouw cachc. Such n node replies
Perkins in REF showed the performance of DSR and AODV.
Performance comparison of two on-demand routing protocols for ad hoc networks
Proceedings IEEE INFOCOM 2000. Conference on Computer Communications. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. No.00CH37064)
Proceedings IEEE INFOCOM 2000. Conference on Computer Communications. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. No.00CH37064)
Computer Science