Re: [tcpm] More option space on any segment: draft-briscoe-tcpm-inner-space-00 (was syn-op-sis-02)
Joe Touch <touch@isi.edu> Mon, 20 October 2014 18:55 UTC
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Date: Mon, 20 Oct 2014 11:54:32 -0700
From: Joe Touch <touch@isi.edu>
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To: Bob Briscoe <bob.briscoe@bt.com>, SCHARF Michael <Michael.SCHARF@alcatel-lucent.com>, "SAROLAHTI, Pasi" <pasi.sarolahti@iki.fi>, Yoshifumi Nishida <nishida@sfc.wide.ad.jp>
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Subject: Re: [tcpm] More option space on any segment: draft-briscoe-tcpm-inner-space-00 (was syn-op-sis-02)
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On 10/19/2014 5:58 PM, Bob Briscoe wrote: > Chairs and list, > > My individual draft has a new file-name (and title): inner-space-00 > <https://tools.ietf.org/html/draft-briscoe-tcpm-inner-space-00> > This is a major rev of syn-op-sis-02 > <https://tools.ietf.org/html/draft-briscoe-tcpm-syn-op-sis-02>, but I > won't be using that name any more. > Sorry to confuse everyone by changing the name. But the old name was no > longer relevant. > > I believe the new Inner Space protocol could be a significant advance > for TCP. IMO, you're on the path to implementing TCP inside TCP. That is, right up until a middlebox starts parsing and modifying the inner TCP, at which point you'll need TCP-in-TCP-in-TCP, ad infinitum. IMO this whole exercise is a significant step backwards, except as a good example of why we need constraints for middleboxes. Joe