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Re: Plethora of UUnet outages and instabilities
From: Brian Behlendorf <brian () organic com>
Date: Tue, 01 Jul 1997 01:07:03 -0700

At 09:49 AM 7/1/97 +0200, Hank Nussbacher forwarded from Network World:
UUNET started upgrading the memory on the routers, which Cisco
contends was the real culprit. Cisco recommends that its ISP
customers use 128M bytes of total memory on their route switch
processor boards, Michelet said. UUNET uses 64M-byte memory boards
on most, if not all, of its 7,500 routers.

UUNET said it never received a recommendation from Cisco concerning
memory for its 7,500 routers. ``But clearly, once this event
occurred, we discussed the memory issue with Cisco, and we agreed
the right course of action would be to upgrade the routing memory to
128M bytesÙ,'' said Jim McManus, vice president of systems
engineering at UUNET.

Ouch!  A couple of questions:

1) Is the "7500" the actual number of routers they'll have to upgrade, or
are they referring to the Cisco 7500 product line?  That's an awful lot of
routers to upgrade, so UUnet could have problems for awhile.

2) What could have caused the memory requirements to jump so dramatically?
And if it's due to the routing table "for the whole Internet", why weren't
others affected?  

        Brian


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"Why not?" - TL                brian () organic com - hyperreal.org - apache.org


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