Prev-20 Home Next-20 1 msg BGP issues qwest in Burbank, CA 1 msg Looking for Yahoo-SOC contact 1 msg Cachefly Contact 2 msg auth*.ns.uu.net 1 msg auth00/auth100.ns.uu.net down ? 3 msg PCH BGP Archive down? 1 msg Looking for Flickr contacts 2 msg Charter - Southern Oregon routing issues 1 msg Google Contact 1 msg Bob Crooks/SaskTel/CA is out of the office. Microsoft.com PMTUD black hole? \ Nathan Anderson/FSR (6 May 2008) . \ Brandon Butterworth (6 May 2008) . . \ Iljitsch van Beijnum (6 May 2008) . . . \ Nathan Anderson/FSR (6 May 2008) . . . . \ Nathan Anderson/FSR (6 May 2008) . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . \ Bjørn Mork (7 May 2008) . . \ Nathan Anderson/FSR (6 May 2008) . \ Robert Bonomi (6 May 2008) . . \ Tomas L. Byrnes (7 May 2008) . . . \ Marshall Eubanks (7 May 2008) . . . \ Nathan Anderson/FSR (7 May 2008) . . \ Nathan Anderson/FSR (7 May 2008) . . . \ Randy Bush (7 May 2008) . . . \ Glen Turner (7 May 2008) . . . . \ Mark Newton (7 May 2008) . . . . \ Patrick Giagnocavo (7 May 2008) . . . \ Rich Kulawiec (7 May 2008) . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . \ Michael Sinatra (7 May 2008) . . . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . \ Bjørn Mork (8 May 2008) . . . . . . . . \ Joel Jaeggli (8 May 2008) . . . . . . . . . \ Iljitsch van Beijnum (8 May 2008) . . . . . . . . . . \ Smith, Donald (8 May 2008) . . . . . . \ Hank Nussbacher (8 May 2008) . . . . . \ Deepak Jain (7 May 2008) . . . . . . \ SML (7 May 2008) . . . . . . \ Tony Finch (8 May 2008) . . . . . . . \ Blaine Christian (8 May 2008) . . \ Stephen Sprunk (7 May 2008) . \ Iljitsch van Beijnum (7 May 2008) . \ Nathan Anderson/FSR (7 May 2008) . . \ Tomas L. Byrnes (7 May 2008) . . . \ Nathan Anderson/FSR (7 May 2008) . . . \ Matthew Petach (12 May 2008) . \ Michael Sinatra (7 May 2008) . \ Scott Weeks (8 May 2008) . \ Janet Sullivan (8 May 2008) . . \ Niels Bakker (8 May 2008) 4 msg Strange network behaviour 1 msg Was Burma off the air due to the Cyclone ? 17 msg OSPF minutia, and, technote publication venues 2 msg Deadline Extension UBICOMM 2008, September 29 -... 1 msg [Fwd: Re: outages] 2 msg outages 21 msg Did Youtube not pay their domain bill? 9 msg Introducing latency for testing? 33 msg fair warning: less than 1000 days left to IPv4 ... Prev-20 Home Next-20

Prev-Msg Prev-Thread Nanog May-2008 Next-Thread Next-Msg Subject: Re: Microsoft.com PMTUD black hole? Group: Nanog From: Tomas L. Byrnes Date: 7 May 2008 Interestingly, Windows XP, Sp3, released today, describes changes in PMTUD behavior. Black Hole Router detection is now on by default: http://download.microsoft.com/download/6/8/7/687484ed-8174-496d-8db9-f02 b40c12982/Overview%20of%20Windows%20XP%20Service%20Pack%203.pdf > -----Original Message----- > From: Robert Bonomi [mailto:bonomi] > Sent: Tuesday, May 06, 2008 3:54 PM > To: nanog > Subject: Re: [NANOG] Microsoft.com PMTUD black hole? > > ` > > > 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 > _______________________________________________ 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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