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Article #301

_extreme_ packet loss!!!

#301
From: George Sanderson
Date: Fri, 22 Mar 1996 00:00
66 lines
2674 bytes
here's some alarming ping statistics, done at about 2 pm, 22-Mar-96.
About 100 packets were transmitted before each ping was aborted.

ping to ftp.netnet.net:

  ----laslo.netnet.net PING Statistics----
  103 packets transmitted, 67 packets received, 34% packet loss
  round-trip (ms)  min/avg/max = 284/354/799


ping to barton.spring.com:

  ----barton.spring.com PING Statistics----
  106 packets transmitted, 61 packets received, 42% packet loss
  round-trip (ms)  min/avg/max = 396/481/1167


ping to ftp.wustl.edu:

  ----wuarchive.wustl.edu PING Statistics----
  111 packets transmitted, 59 packets received, 46% packet loss
  round-trip (ms)  min/avg/max = 286/364/808


ping to ftp.luth.se:

  ----ftp.luth.se PING Statistics----
  131 packets transmitted, 90 packets received, 31% packet loss
  round-trip (ms)  min/avg/max = 470/555/1195


ping to ftp.cdrom.com:    (note: this site has a T3 connection)

  ----wcarchive.cdrom.com PING Statistics----
  108 packets transmitted, 70 packets received, 35% packet loss
  round-trip (ms)  min/avg/max = 243/308/988


So, at least a third to about half the packets to/from outside .au are lost,
and the average response is significantly more than 300 ms.

So where's most of the packet loss occuring ???


Here's a traceroute to ftp.cdrom.com:

traceroute to wcarchive.cdrom.com (165.113.58.253), 30 hops max, 40 byte 
packets
 1  gu.gw.au (203.2.138.209)  2 ms  2 ms  2 ms
 2  telstra.gw.gu.edu.au (132.234.237.1)  3 ms  3 ms  3 ms
 3  qld-tmp.gw.au (139.130.252.1)  6 ms  5 ms  6 ms
 4  national-qld.gw.au (139.130.48.1)  86 ms  94 ms  101 ms
 5  vic.gw.au (139.130.239.53)  81 ms *  101 ms
 6  Fddi0-0.lon-core2.Melbourne.telstra.net (139.130.239.227)  98 ms  100 
ms  85 ms
 7  Serial4-5.pad-core2.Sydney.telstra.net (139.130.249.61)  92 ms  101 
ms  128 ms
 8  * national-new.gw.au (139.130.249.228)  114 ms  77 ms
 9  border4-hssi1-0.SanFrancisco.mci.net (204.70.35.5)  260 ms  268 ms  
281 ms
10  borderx2-fddi0-0.SanFrancisco.mci.net (204.70.3.164)  288 ms * *
11  fix-west-nap.SanFrancisco.mci.net (204.70.158.118)  276 ms  279 ms *
12  * * *
13  T3-CRL-SFO-01-H3/0.US.CRL.NET (149.20.64.19)  606 ms  304 ms *
14  * wcarchive.cdrom.com (165.113.58.253)  1158 ms *
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X-Google-Thread: 107651,4c119e6ddb6b8463,start
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From: aissande@kraken.itc.gu.edu.au (George Sanderson)
Subject: _extreme_ packet loss!!!
Date: 1996/03/22
Message-ID: <4ita0m$m35@griffin.itc.gu.edu.au>
X-Deja-AN: 143630024
organization: Groom Lake Testing Facility
newsgroups: aus.net.status