[ns] Routing overhead of manet routing protocol (DSR)
Hi all, Could anyone tell me how to calculate routing overhead of DSR? How about the header size of RTR ( DSR ) and MAC (802.11) ? " s 18.741626845 _1_ AGT --- 681 cbr 10 [0 0 0 0] --- [1:0 0:0 32 0] [679] 0 0 r 18.741626845 _1_ RTR --- 681 cbr 10 [0 0 0 0] --- [1:0 0:0 32 0] [679] 0 0 SFs 18.741626845 _1_ 681 [1 -> 0] 1(0) to 0 s 18.741626845 _1_ RTR --- 681 cbr 30 [0 0 0 0] --- [1:0 0:0 32 0] [679] 0 0 s 18.742061845 _1_ MAC --- 681 cbr 82 [13a 0 1 800] --- [1:0 0:0 32 0][679] 0 0 r 18.742296093 _0_ MAC --- 681 cbr 30 [13a 0 1 800] --- [1:0 0:0 32 0] [679] 1 0 s 18.742306093 _0_ MAC --- 0 ACK 38 [0 1 0 0] r 18.742321093 _0_ RTR --- 681 cbr 30 [13a 0 1 800] --- [1:0 0:0 32 0] [679] 1 0 r 18.742321093 _0_ AGT --- 681 cbr 10 [13a 0 1 800] --- [1:0 0:0 32 0] [679] 1 0 r 18.742610160 _1_ MAC --- 0 ACK 38 [0 1 0 0] " According to the output trace file, the rtr layer header is 30-10=20 bytes (how the header size got, is it the DSR routing header?),and the mac layer header is 82-30=52bytes(PHY +MAC header). But why it transmit 82 bytes only receive 30 bytes? How much is the biggest header size of DSR routing protocol using in RTR layer because I find the value of the playload in RTR is variable, not always 20bytes? I uesed the CBR / UDP, the packet size is 10 bytes. (if need consider the IP/UDP/RTP header, the packet size should add 40 bytes ?) Regards, HuiYao
[ns] routing overhead
hi, i am following what u have mentioned in the mailing list but can u clarify why i am getting less routing overhead in DSDV for all situations as compared to AODV and DSR. secondly i am getting less e2e delay too in case of DSDV? PLEASE REPLY. ...kothari...
[ns] ROUTING OVERHEAD
HI, while calculating routing overhead of manet routing protocol i am getting least number of routing pkts in case of DSDV where as eveywhere it is said that DSDV has max overhead being proactive. i have compared AODV, DSR, DSDV for the 50 nodes, 500x500,siml time=100,pause time=0,10,20,40,100, pkt rate=4 tfc=cbr. i am using awk to calculate the routing overhead. normlised routing load = total no of rtg pkt/data pkt recvd routing pkt= RTR+AODV/DSR and for DSDV , it message+DSDV for data pkt; cbr+AGT IS MY PROCEDURE RIGHT PLEASE REPLY.. ...kothari...