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All,

just as a side note: the performance of sctplib by itself
is not so bad, and it easily allows saturating a 100 MBit/s
link. The performance issues come into play for instance if
you have a large number of associations on a server
(in sctplib-1.0).

This should not be a major problem in the new version
sctplib-1.3, as it uses hash structures in the sctpd daemon
to locate matches for associations when processing incoming
SCTP packets, which - even with many associations - is way more
efficient.

Best regards,
Andreas


Am Donnerstag, 22. Juli 2004 18:00 schrieb Michael Tuexen:
> Just a general point: the sctplib in combination is
> not very well suite for performance measurements, because
> the is thread scheduling involved. So I would recommend to
> use the sctplib only or use a kernel implementation.
> I'll post a program which you could use during the next
> week (when the SCTP Interop happens).
>
> Best regards
> Michael
>
> On Jul 22, 2004, at 5:13 PM, Le Vinh Dat wrote:
> > Hi SCTP community,
> > I'm running sctplib-1.0.1 and socketapi-1.3.1 in Redhat 9.0
> > Now I would like to measure the performance of SCTP vs TCP, how to do
> > that?
> > The measure program should work for both of SCTP and TCP.
> > I found out there was a program called iperf, however, this program
> > seems only work for TCP and LKSCTP.
> >  
> > Thank you very much.
> > Sincerely yours,
> > Le Vinh Dat
> >  
> >
> > Do you Yahoo!?
> > Vote for the stars of Yahoo!'s next ad campaign!
>
> _______________________________________________
> discussion mailing list
> discussion AT sctp.de
> http://www.sctp.de/mailman/listinfo/discussion

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Dipl.-Ing. Andreas Jungmaier
Computer Networking Technology Group
University of Duisburg-Essen
http://www.exp-math.uni-essen.de/~ajung
PGP Key-ID: D382 4AC0

PGP Key-Fingerprint: 228C 7C2C 3381 2DD4 9998 2812 5C0B 0B04 D382 4AC0
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• [SCTP-Discussion] How this case is handled in SCTP, Vijaya Kumar, 07/20/2004
  • [SCTP-Discussion] SCTP performance measure, Le Vinh Dat, 07/22/2004
    • Re: [SCTP-Discussion] SCTP performance measure, Michael Tuexen, 07/22/2004
      • Re: [SCTP-Discussion] SCTP performance measure, Andreas Jungmaier, 07/23/2004
        • Re: [SCTP-Discussion] SCTP performance measure, Michael Tuexen, 07/23/2004
          • SV: [SCTP-Discussion] SCTP performance measure, Torbjörn Andersson, 07/26/2004
            • Re: SV: [SCTP-Discussion] SCTP performance measure, Thomas Dreibholz, 07/26/2004
    • Re: [SCTP-Discussion] SCTP performance measure, Thomas Dreibholz, 07/23/2004

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