Re: I-D ACTION:draft-ietf-shim6-applicability-01.txt
Erik Nordmark <erik.nordmark@sun.com> Tue, 20 June 2006 13:43 UTC
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Date: Tue, 20 Jun 2006 06:43:07 -0700
From: Erik Nordmark <erik.nordmark@sun.com>
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To: Iljitsch van Beijnum <iljitsch@muada.com>
CC: shim6@psg.com
Subject: Re: I-D ACTION:draft-ietf-shim6-applicability-01.txt
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Iljitsch van Beijnum wrote: > Hm, maybe it makes sense to build in address rewriting by routers (or > middleboxes) after all? > > That way, the hosts handle the security, but routers can easily > overwrite source addresses and middleboxes that carry more state could > even overwrite destination addresses, as soon as the shim negotiations > have completed. Agreed. Actually, the rerwriting can happen during the shim context establishment as well. >> Can we do better with respect to traffic engineering without throwing >> out security? draft-nordmark-shim6-esd outlines ways in which we can >> get the same feedback loop from routers as in GSE. > > This depends largely on whether we accept the proposed requirement that > hosts are unable to make any decisions of their own. Do we? For the initial contact with some degree of id/locator separation we don't have much choice but *allow* hosts to make a choice. The destination identifier will need to map to multiple locators, and somebody needs to choose. One could externalize that choice from the host (e.g., in some yet-to-be invented scalable policy lookup system) but from a deployment perspective it seems we can get more milage out of the hosts picking an initial destination locator and then get feedback from the routers (e.g., using locator rewriting by the routers). Erik
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Brian E Carpenter
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Erik Nordmark
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Deguang Le
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Brian E Carpenter
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Iljitsch van Beijnum
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Igor Gashinsky
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Iljitsch van Beijnum
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Iljitsch van Beijnum
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Deguang Le
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Deguang Le
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Joe Abley
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Erik Nordmark
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Deguang Le
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- RE: I-D ACTION:draft-ietf-shim6-applicability-01.… Sam Xia
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Brian E Carpenter
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Daniel Roesen
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Daniel Roesen
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Daniel Roesen
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Brian E Carpenter
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Iljitsch van Beijnum
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Brian E Carpenter
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… marcelo bagnulo braun
- RE: I-D ACTION:draft-ietf-shim6-applicability-01.… Sam Xia
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Daniel Roesen
- RE: I-D ACTION:draft-ietf-shim6-applicability-01.… Sam Xia
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Iljitsch van Beijnum
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Iljitsch van Beijnum
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Daniel Roesen
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Joe Abley
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Daniel Roesen
- Re: I-D ACTION:draft-ietf-shim6-applicability-01.… Joe Abley
- I-D ACTION:draft-ietf-shim6-applicability-01.txt Geoff Huston