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Re: routing protocols will provide path-MTU

mogul (Jeffrey Mogul) Tue, 27 February 1990 21:20 UTC

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From: mogul (Jeffrey Mogul)
Message-Id: <9002272120.AA08896@acetes.pa.dec.com>
Date: 27 Feb 1990 1320-PST (Tuesday)
To: Steve Deering <deering@pescadero.stanford.edu>
Cc: mtudwg
Subject: Re: routing protocols will provide path-MTU
In-Reply-To: Steve Deering <deering@pescadero.stanford.edu> / 26 Feb 1990 21:45-PST. <90/02/26 2145.206@pescadero.stanford.edu>

    What I was trying to find out was, when it was said at the IETF meeting
    that, "Within 'a few' years, the routing protocols will provide path-MTU
    information, so MTU discovery will be unnecessary.", what did the
    speaker(s) have in mind?  And why should we believe them?

For the record, I believe that Van said this first (although Van is
welcome to deny it, since I wasn't taking contemporaneous notes).

I also want to point out that I wasn't implying that current routing
protocols would necessarily solve the problem.  I'm not a routing
protocol junkie (look at all the minds that stuff is destroying!)
so I don't know if OSPF and/or IS-IS and/or BGP could be easily
extended to carry MTU information.  In principle, though, I can't
see why any link-state protocol couldn't be changed in this way.

-Jeff

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