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Prev-Msg Prev-Thread Nanog May-2008 Next-Thread Next-Msg Subject: Re: Microsoft.com PMTUD black hole? Group: Nanog From: Robert Bonomi Date: 6 May 2008 ` > Date: Tue, 06 May 2008 14:29:03 -0700 > From: Nathan Anderson/FSR <nathana> > Subject: Re: [NANOG] Microsoft.com PMTUD black hole? > > > Now, although that makes sense, in order to avoid issues like the one we > are facing with Microsoft, would it not make _more_ sense for the stack > to look at the PMTU cache first, and then adjust its own MSS just for > connections to that one host? This _is_ Microsoft we're talking about, remember. 'sense' and 'Microsoft' are, at a =minimum= orthogonal to each other -- and may not even inhabit the same address-space. <wry grin> As for standards, it is official Microsoft policy to "embrace and extend", not to implement in a way compatible with the rest of the world. *sigh* I -don't- believe the rumor that "PMTUD/Vista Ultimate" sends incrementally increasing-size packets, and uses the first one that -doesn't- get through as the size limit. <giggle> _______________________________________________ NANOG mailing list NANOG http://mailman.nanog.org/mailman/listinfo/nanog Prev-Msg Prev-Thread Nanog May-2008 Next-Thread Next-Msg

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