Re: Poor performance related to egp?


J. Noel Chiappa (JNC@XX.LCS.MIT.EDU)
Fri 31 Oct 86 16:03:42-EST


        I seem to explain this every 2 months.

        The problem is not caused by EGP, which is telling you exactly
what the gateway you are neighbours with is doing itself with packets
to given destinations, but the routing protocol (GGP) which is used by
the core gateways among themselves. It predates EGP, was not designed
with the pattern of information flows that you see in EGP in mind, and
is the cause of the problem. When GGP is replaced (which will probably
be when the PDP11's are) the problem will magically disappear without
any changes to EGP.

        For a more detailed explanation of the problem, look in the
TCP-IP archive for a message I sent out at Thu 6 Mar 86 18:16:01-EST
which goes into great detail. Just out of interest, were you on
TCP-IP then?

        Noel
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