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Roteamento em Redes de Computadores DSR – Dynamic Source Routing draft-ietf-manet-dsr-10.txt 19 July 2004 DSR: The Dynamic Source Routing Protocol for.

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Presentation on theme: "Roteamento em Redes de Computadores DSR – Dynamic Source Routing draft-ietf-manet-dsr-10.txt 19 July 2004 DSR: The Dynamic Source Routing Protocol for."— Presentation transcript:

1 Roteamento em Redes de Computadores DSR – Dynamic Source Routing draft-ietf-manet-dsr-10.txt 19 July 2004 DSR: The Dynamic Source Routing Protocol for Multi-Hop Wireless Ad Hoc Networks Carlos Henrique Pereira Augusto

2 DSR – Dynamic Source Routing – Reativo ( on demand ) – Dois mecanismos: Route Discovery Route Maintenance

3 DSR – Dynamic Source Routing – Usa roteamento pela fonte explícito – cada pacote carrega o caminho completo ou – Roteamento pela identificação do fluxo

4 DiscoveryHopLimit 255 hops BroadcastJitter 10 milliseconds RouteCacheTimeout 300 seconds SendBufferTimeout 30 seconds RequestTableSize 64 nodes RequestTableIds 16 identifiers MaxRequestRexmt 16 retransmissions MaxRequestPeriod 10 Valores no draft

5 RequestPeriod 500 milliseconds NonpropRequestTimeout 30 milliseconds RexmtBufferSize 50 packets MaintHoldoffTime 250 milliseconds MaxMaintRexmt 2 retransmissions TryPassiveAcks 1 attempt PassiveAckTimeout 100 milliseconds GratReplyHoldoff 1 second MAX_SALVAGE_COUNT 15 salvages

6 #define BUFFER_CHECK 0.03// seconds between buffer checks #define RREQ_JITTER 0.010// seconds to jitter broadcast route requests #define SEND_TIMEOUT 30.0// # seconds a packet can live in sendbuf #define SEND_BUF_SIZE 64 #define RTREP_HOLDOFF_SIZE 10 #define GRAT_ROUTE_ERROR 0// tell_addr indicating a grat route err Valores no ns-2.26 – dsragent.h


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