ns-2tcp-linux-全文預覽
【正文】 e ? Pro: scans the SACK list very fast ? Con: difficult to implement FACK correct, can’t identify retransmitted packets, etc. SACK processing in Linux ? Perpacket state machine ? Con: slower processing of SACK lists ScoreBoard1 ? Combine the Linux design (state diagram for each packet) and Sack1 design (Reassembly Queue) Validation Results ? Accuracy: Comparable to Linux results in the level of congestion window trajectories ? Simulation speed: ? Best case: 50 times faster than NS2 SACK1 ? Worst case: as fast as NS2 SACK1 ? Memory consumption: very similar memory usage as NS2 SACK1 Evaluation Setup ? Comparing NS2 TCPLinux Results with Dummy Results. Accuracy: window trajectory Extensibility Accuracy: throughput in lossy link Why use NS2
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