On May 14, 2012, at 12:21 AM, vansi wow wrote: > Hi All, > we have ported SCTP from FreeBSD 7.0 tree , but we face the Hi Vamshi,
I would recommend to use more recent sources... There has been a huge number of bug fixes been committed. BTW: What exactly does "porting" mean? What system are you using? > > issue that when we measure the throughput performance of the stack , we see > that SCTP throughput is half that of the TCP throughput . > > Is there some tuning which can be done or some tweaks which can help > improve the performance . > > > > TCP : > ===== > SO_SNDBUF = 32768 > SO_RCVBUF = 32768 > Throughput: 5653KB/s > > > SCTP: > ====== > SNDBUF = 838860 > RCVBUF = 838860 > Throughput = 2422 KB/s Without any another information it is hard to say what is limiting the transfer. Do you have any packet loss? What is the CPU load when doing the transfer? FreeBSD 7 does not support CRC offloading... Best regards Michael > > Regards, > Vamshi > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"