From: Michael T. <Mic...@lu...> - 2004-12-15 21:15:24
|
Julio, I have used DUMMYNET in several interop tests to simulate delay, reordering, packetloss, bandwidth delimitation. I also wrote a program to get packet corruption and packet duplication. DUMMYNET works without any problem. I can recommend it. Best regards Michael On Dec 15, 2004, at 21:14 Uhr, Julio Kriger wrote: > Hi, > I found this soft: dummynet. Does anyone know it? > > It does, more or less, what I want. However I will to add some changes, > especially abrupt changes on rtt. > > Did anyone tested SCTP with package reordering? How did it behave? > > -- > ------------------------------- > Julio Kriger > jkriger AT hotpop DOT com > jkriger AT cwazy DOT co DOT uk > >> Julio Kriger wrote: >> >>> Hi all! >>> I'm implements some change to SCTP to improve its performance when >>> there >>> are changes on the rtt and happens a reordening of packages. The >>> idea is >>> use the duplicate chunk notification to detect spurious >>> retransmisions >>> and >>> then change the cwnd and ssthreshold to a better number. >>> I'm still developing it. >>> What I'm looking for rigth now is a software that let me test the >>> modifications. I beleive the is a ns-2 simulation software. But I'm >>> implementing the changes on SCTP properly, so I will have to test it >>> on >>> real networks. >>> Can any one help me with this? Or point me where to look for? Thanks >>> in >>> advance. >>> >> You can attach ns-2 to a real network. I.e. one end of the >> connection is >> simulated and the other end real. >> >> If you are not already familiar with her work, I encourage you to look >> up Sally Floyd and her students. DUP reports in SCTP were added at >> her >> recommendation. >> >>> Regards, >>> Julio >>> >>> >>> >> >> -- >> Anyone who quotes me in their sig is an idiot. -- Rusty Russell's >> sig >> >> >> > > > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real > users. > Discover which products truly live up to the hype. Start reading now. > http://productguide.itmanagersjournal.com/ > _______________________________________________ > Lksctp-developers mailing list > Lks...@li... > https://lists.sourceforge.net/lists/listinfo/lksctp-developers > |