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Article #238

Re: Backbone providers (was Re: "@Home Subscribers Angered By New Policies"

#238
From: Mike Stump
Date: Thu, 18 Mar 1999 00:00
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In article <7cbtge$6ne$1@news.ycc.yale.edu>,
Miguel Cruz <mnc@diana.law.yale.edu> wrote:
>Eric Edwards <ese002@news9.exile.org> wrote:
>>IMHO, it's the difference between:
>>
>>1) ISP1 <-> MAE <-> ISP2
>
>I don't see how #1 isn't an apple to #2 and #3's oranges, unless your
>ISP also provides the service of flying your clients and servers to
>the same city so they don't have to go through a backbone.

Let's try a real life example...

lair bash[100] t www.cygnus.co.jp
traceroute to godzilla.cygnus.co.jp (203.216.65.129), 30 hops max, 40 byte packets
 4  bb1-fe0-0-100bt.rdc1.sfba.home.net (24.0.0.2)  22.423 ms  12.454 ms
 5  bb2.mae-w.home.net (172.16.4.74)  16.154 ms  11.908 ms
 6  mae-west.idc.ad.jp (198.32.136.117)  10.409 ms  13.88 ms
 7  POS12-0-0.pat1.idc.ad.jp (158.205.224.74)  15.528 ms  22.436 ms
 8  POS2-0-0.tok2.idc.ad.jp (158.205.224.69)  117.174 ms  117.271 ms
 9  FastEthernet10-1.tok1.idc.ad.jp (158.205.224.129)  119.96 ms  117.687 ms
10  gol-tokyo.idc.ad.jp (158.205.226.66)  120.75 ms  119.334 ms
11  alpha-s4-0.gol.net (203.216.2.29)  133.704 ms  140.968 ms
12  oscar.bravo.gol.net (203.216.71.60)  137.724 ms  147.477 ms
13  lima3.gol.net (203.216.36.3)  144.454 ms  146.739 ms
14  tokyo-gw.cygnus.co.jp (203.216.65.190)  172.075 ms  165.382 ms
15  godzilla.cygnus.co.jp (203.216.65.129)  201.253 ms  168.145 ms

No sprint, no uunet, no qwest, no backbone (well, technically
idc.ad.jp appears to be backboning in jp land for gol.net), with MAE
West in the middle.  This is close to case 1.  But dude, I'm in the
Bay Area, and the other guy appears to be in jp.  I didn't think we
were in the same city.  There is a special type of telcom circuit
called a WAN circuit, it can go to a wide area, not limited to just
the same city.  Some people at MAE West actually have these special
types of circuits called WAN circuits.

Oh, and I thought 117 ms to get to .jp was neat in and of it itself.
Last time I did this, it was at around 400 ms.
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From: mrs@kithrup.com (Mike Stump)
Subject: Re: Backbone providers (was Re: "@Home Subscribers Angered By New Policies"
Date: 1999/03/18
Message-ID: <F8ru77.BB9@kithrup.com>
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References: <36d82cdd.72603808@news> <921246520.862139@rockhead.com> <slrn7eipnu.2o8.ese002@spica.exile.org> <7cbtge$6ne$1@news.ycc.yale.edu>
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