[2502] in North American Network Operators' Group
Re: the Internet Backbone
daemon@ATHENA.MIT.EDU (Roy)
Sun Apr 7 16:55:31 1996
Date: Sun, 07 Apr 1996 13:45:45 -0700
From: Roy <garlic@garlic.com>
To: "Christopher E. Stefan" <flatline@ironhorse.com>
Cc: Avi Freedman <freedman@netaxs.com>,
William Allen Simpson <bsimpson@morningstar.com>, nanog@merit.edu
It is not symmetrical.
64 bytes from 38.1.2.10: icmp_seq=1 ttl=249 time=273 ms
RR: -------------------------
Fddi0/0.San-Jose6.CA.Alter.Net (137.39.27.12)
san-jose3.ca.alter.net (198.32.136.42)
38.1.2.16
core.net99.psi.net (38.1.2.10)
core.net99.psi.net (38.1.2.10)
Fddi0/0.Vienna1.VA.Alter.Net (137.39.11.1)
Hssi2/0.Vienna6.VA.Alter.Net (137.39.100.78)
From Alternet to PSI is via MAE-WEST but not vice versa.
Here's the traceroute. Note the large jump in response time
at the CIX which confirms the above
traceroute to www.psi.net (38.8.8.2), 30 hops max, 40 byte packets
3 Fddi0/0.San-Jose3.CA.Alter.Net (137.39.27.1) 8 ms 9 ms 8 ms
4 mae-west.psi.com (198.32.136.23) 13 ms 13 ms 12 ms
5 38.1.2.14 (38.1.2.14) 86 ms 90 ms 89 ms
6 www.psi.net (38.8.8.2) 91 ms 89 ms 88 ms
