Date: Sat, 18 Dec 1999 11:56:10 +1300 From: "Juha Saarinen" <juha@saarinen.org> To: "daniel B" <danielb@pacex.net> Cc: <freebsd-questions@FreeBSD.ORG> Subject: RE: Not such good networking performance with FreeBSD Message-ID: <LNBBIBDBFFCDPLBLLLHFOEHCGGAA.juha@saarinen.org> In-Reply-To: <Pine.BSF.4.10.9912171417430.2761-200000@almazs.pacex.net>
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Yeah, ATM cells are only 53 bytes, I believe. Hmmm... not good that trace. I get the same from the US: juha@server juha]$ /usr/sbin/traceroute cassandra.paradise.net.nz traceroute to cassandra.paradise.net.nz (203.96.152.3), 30 hops max, 38 byte packets 1 pizza.gloryroad.net (216.228.98.1) 2.944 ms 3.133 ms 4.984 ms 2 205.171.61.253 (205.171.61.253) 126.535 ms 114.890 ms 166.984 ms 3 atl-core-02.inet.qwest.net (205.171.21.37) 177.074 ms 125.431 ms 164.788 ms 4 wdc-core-03.inet.qwest.net (205.171.5.241) 184.395 ms 109.069 ms 135.381 ms 5 205.171.24.70 (205.171.24.70) 85.469 ms 111.803 ms 109.783 ms 6 205.171.4.70 (205.171.4.70) 115.872 ms 149.574 ms 158.102 ms 7 129.ATM3-0.XR1.DCA8.ALTER.NET (146.188.162.210) 197.045 ms 167.426 ms 155.259 ms 8 189.ATM2-0.TR1.DCA8.ALTER.NET (146.188.163.66) 189.999 ms 187.981 ms 145.562 ms 9 115.ATM7-0.TR1.LAX2.ALTER.NET (146.188.138.146) 273.082 ms 190.873 ms 251.234 ms 10 299.ATM7-0.XR1.LAX4.ALTER.NET (146.188.248.253) 184.665 ms 93.119 ms 187.043 ms 11 192.ATM11-0-0.GW1.LAX4.ALTER.NET (146.188.248.109) 162.096 ms 135.490 ms 178.989 ms 12 telcomnz-gw.customer.ALTER.NET (157.130.224.90) 399.373 ms 393.588 ms 359.428 ms 13 f4-1-0.labr1.netgate.net.nz (202.37.246.166) 222.101 ms 246.939 ms 259.128 ms 14 * * * 15 * * * 16 paradise.wwbr1.netgate.net.nz (202.37.247.230) 580.264 ms 552.319 ms 578.195 ms Nothing I can do though... -- Juha > -----Original Message----- > From: daniel B [mailto:danielb@pacex.net] > Sent: Saturday, 18 December 1999 11:30 > To: Juha Saarinen > Cc: freebsd-questions@FreeBSD.ORG > Subject: RE: Not such good networking performance with FreeBSD > > > > Thanks for the info; > ATM is cell relay so if too many cells are dropped by your upstream/ISP it > cause alot of retransmits, so unless you're running ATM you are forced to > resend the whole IP packet again (ATM cells are very small byte-wise). > > I just did traceroute wiith -S option to cassandra.paradise.net.nz and > realy bad latency with 30% loss (see attached file). > > I also have to deal with other non-FreeBSD issues i.e my dialup switch, > teleco local loop, DSL loop e.t.c > > Dan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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