On Thu, Jan 22, 2009 at 04:38:35PM -0800, Templin, Fred L wrote: > Hi Dave, > > > -----Original Message----- > > From: David Meyer [mailto:[email protected]] > > Sent: Thursday, January 22, 2009 4:05 PM > > To: Yakov Rekhter > > Cc: [email protected]; rrg; [email protected] > > Subject: Re: [rrg] [Int-area] Please respond: Questions from > > the IESG asto whether a WG forming BOF is necessary for LISP > > > > Yakov, > > > > > In answering this question we need to keep in mind that such > > > techniques as (a) caching routing and forwarding information, (b) > > > use of separate mapping system for Loc/ID mapping, (c) relying on > > > probing for determining path feasibility are essential/fundamental > > > to LISP. > > > > (c) is clearly not fundemental to LISP. > > > > What is fundemental (IMO) to any Loc/ID split > > architecture is what have what we have termed the Locator > > Path Liveness problem. How that problem is solved is a > > matter for each architecture to consider. > > > > In particular, probing is a solution to the Locator Path > > Liveness problem, but as we know from shim6 (etc), the > > complexity of that isn't pretty. But then either is the > > O(n!) complexity of BGP path hunting. In any event, the > > space of potential solutions for map-and-encap schemes > > such as LISP (or eFIT, Ivip, etc) haven't been throughly > > explored. This is part of the reason why we think LISP > > should be EXPERIMENTAL. > > Not meaning to pick on you, but I don't understand why RANGER > hasn't made it onto the "short list" of proposals yet; maybe > you could answer that for me? AFAICT, RANGER is in the top-two > map/encaps proposals in terms of technical completeness (maybe > even the top-one) so can we have folks add it to their lists?
Fred,
No "picking" interpreted. You're right, and its my
omission (and to be honest, you've been gracious enough
to mention this to me privately several times).
I'll be sure to add RANGER the list going forward.
Consider it done.
Dave
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