[Int-area] FW: LISP, San Francisco, and WG
Jari Arkko <jari.arkko@piuha.net> Mon, 16 March 2009 05:16 UTC
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Date: Mon, 16 Mar 2009 02:14:34 +0200
From: Jari Arkko <jari.arkko@piuha.net>
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Subject: [Int-area] FW: LISP, San Francisco, and WG
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Since some of the discussion was on this forum earlier, I'm sending this as a FYI here as well. Please continue the discussion on the LISP mailing list (https://www.ietf.org/mailman/listinfo/lisp). Jari Jari Arkko wrote: > All, > > After considering the input from the various lists, IESG, IAB, etc, I > have decided that the best course of action with regards to LISP is to > create a tightly scoped WG. The scoping relates to truth in > advertising about the readiness of the technology for wide deployment > and how the results of the WG will be used. The specifications coming > out of the WG will be Experimental RFCs. Please see the charter text > below; comments appreciated. And I see that we've already received > feedback from Margaret, thanks for that. > > The group is expected to work on one specific solution, converting > that solution to something else is not within the plan. The RRG > obviously needs to continue their work with a number of other > solutions and analysis of the design space. I plan to keep the door > open for other proposals as well (some could argue that 6AI is another > solution; that might become a WG too in San Francisco). I don't think > anyone believes that either LISP or the other solutions from RRG are > ready for prime time; there are significant remaining problems even at > the conceptual and incentive levels, let alone protocol bits. But > before we get to a final solution, it is very useful to test various > designs, to understand their implications. > > A formal call for IETF-wide comments on the proposed working group and > charter will be made in the next few days. You can send input on this > list or say something at the meeting. The final approval will happen > after San Francisco. At the end of the day we will decide this based > on the community feedback, but my expectation is that there is support > for letting the LISP folks work on their design in the IETF. > > Sam Hartman and Darrel Lewis have agreed to chair the group -- thank > you! Please talk to the chairs about agenda; we are obviously doing > this quite late before the meeting, so a lot of preparation has to > happen in a short amount of time. Other than the opportunity for > feedback on the WG creation and the charter, I think we should run the > meeting as if it were a WG meeting. > > Jari > > -------- > > LISP (Locator/ID Separation Protocol) > > Last Modified: 2009-03-12 21:01:40 > > Chair(s): > TBD > > Internet Area Director(s): > TBD > > Routing Area Advisor: > TBD > > Mailing Lists: > General Discussion: https://www.ietf.org/mailman/listinfo/lisp > > Description of Working Group: > > The IAB's October 2006 workshop on Routing and Addressing Workshop > (RFC 4984) rekindled interest in scalable routing and addressing > architectures for the Internet. Among the many issues driving this > renewed interest are concerns about the scalability of the routing > system and the impending exhaustion of the IPv4 address space. Since > the IAB workshop, several proposals have emerged which attempt to > address the concerns expressed there and elsewhere. In general, these > proposals are based on the "Locator/Identifier separation". > > The basic idea behind the separation that the Internet architecture > combines two functions, Routing Locators, or RLOCs (where you are > attached to the network) and Endpoint Identifiers, or EIDs (who you > are) in one number space: The IP address. Proponents of the separation > architecture postulate that splitting these functions apart will yield > several advantages, including improved scalability for the routing > system. The separation aims to decouple location and identity, thus > allowing for efficient aggregation of the RLOC space and providing > persistent identity in the EID space. > > LISP supports the separation of the Internet address space into > Endpoint Identifiers and Routing Locators following a > network-based map-and-encap scheme (RFC 1955). It employs > EIDs that represent a mixture of locators and identifiers; it > could also be classified as a multi-level locator scheme. > A number of other approaches are being looked at in parallel in > the IRTF and IETF. At this time, these proposals are at > an early stage. All proposals (including LISP) have potentially > harmful side-effects to Internet traffic carried by the involved > routers, have parts where deployment incentives may be lacking, and > are NOT RECOMMENDED for deployment beyond experimental > situations at this stage. Many of the proposals have components (such > as the EID-to-RLOC mapping system) where it is not yet known what kind > of design alternative is the best one among many. > > However, despite these issues it would be valuable to write > concrete protocol specifications and develop implementations that can > be used to understand the characteristics of these designs. The LISP > WG is chartered to work on the LISP base protocol > (draft-farinacci-lisp-12.txt), the LISP+ALT mapping system > (draft-fuller-lisp-alt-05.txt), LISP Interworking > (draft-lewis-lisp-interworking-02.txt), LISP Map Server > (draft-fuller-lisp-ms-00.txt), and LISP multicast > (draft-farinacci-lisp-multicast-01.txt) for these purposes, with the > given > drafts as a starting point. The working group will encourage and > support interoperable LISP implementations as well as defining > requirements for alternate mapping systems. The Working Group > will also develop security profiles for the ALT and/or other mapping > systems. > > It is expected that the results of specifying, implementing, and > testing LISP will be fed to the general efforts at the IETF and IRTF > (e.g., the Routing Research Group) that attempts to understand which > type of a solution is optimal. The LISP WG is NOT chartered to develop > the final or standard solution for solving the routing scalability > problem. Its specifications are Experimental and labeled with accurate > disclaimers about their limitations and not fully understood > implications for Internet traffic. In addition, as these issues are > understood, the working group will analyze and document the > implications of LISP on Internet traffic, applications, routers, and > security. This analysis will explain what role LISP can play in scalable > routing. The analysis should also look at scalability and levels of state > required for encapsulation, decapsulation, liveness, and so on > (draft-meyer-loc-id-implications). > > Goals and Milestones: > > Mar 2010 Submit base LISP specification to the IESG as Experimental > > Mar 2010 Submit base ALT specification to the IESG as Experimental > > Mar 2010 Submit the LISP Interworking specification to the IESG as > Experimental > > June 2010 Submit the LISP Map Server specification to the IESG as > Experimental > > June 2010 Submit Recommendations for Securing the LISP Mapping System to > the IESG as Experimental > > Jul 2010 Submit LISP for Multicast Environments to the IESG as > Experimental > > Dec 2010 Submit a preliminary analysis as Informational > > Dec 2010 Re-charter or close. > > _______________________________________________ > lisp mailing list > lisp@ietf.org > https://www.ietf.org/mailman/listinfo/lisp > >
- [Int-area] FW: LISP, San Francisco, and WG Jari Arkko