[Seamoby] draft-ietf-seamoby-ctp-09.txt submitted to the Internet Drafts directory and ready for review
"James Kempf" <kempf@docomolabs-usa.com> Fri, 14 May 2004 17:22 UTC
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From: James Kempf <kempf@docomolabs-usa.com>
To: mankin@psg.com, iesg-secretary@ietf.org
Cc: seamoby@ietf.org
Date: Fri, 14 May 2004 09:54:37 -0700
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Subject: [Seamoby] draft-ietf-seamoby-ctp-09.txt submitted to the Internet Drafts directory and ready for review
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Allison, John Loughney, the editor of the CTP draft, submitted draft-ietf-seamoby-ctp-09.txt to the Internet Drafts directory. The draft is now ready for AD Review, IESG Review and publication as an Experimental RFC. The draft should appear in the directory shortly. In response to the AD review comments on draft 08, the WG made the following changes in the document, reflected in the 09 draft: 1) Comment: transport protocol is vaguely specified, need a transport protocol for interrouter signaling that supports congestion control. Response: The WG has decided to require SCTP as the transport protocol for interoperability between routers, while also allowing experimentation with other protocols for those who are interested in determining whether SCTP is indeed the optimal protocol for this purpose. Similarly, the WG has decided to require ICMP for interoperability on the host to router signaling with exponential backoff for congestion control, and also allow experimentation with other protocols for those who are interested. There was some interest in the WG in leaving the question of the optimal transport somewhat open for experimentation until standardization is started on the protocol. 2) Comment: MLD example context in Appendix B is not realistic, since MLD will not be used by 3G wireless protocols anyway. Is there really any use for context transfer? Response: Draft 09 removes any reference to 3G protocols, and instead refers to other low data rate protocols, such as Bluetooth, that might use an MLD context transfer. In addition, the new text points out that the Seamoby WG was not chartered to do specific context design, and so has had to reject many proposals for specific contexts brought to the WG over the years. The new text also sites a few examples of contexts for which designs are in progress and proprietary context transfer protocols used in products as cases where a standardized interoperable context transfer protocol might be useful. In addition to these comments, there have been a few other minor changes to tighten up the design (for example, the addition of a protocol version number in all messages). Finally, the Discuss comment on draft-ietf-card-protocol-06.txt (which actually applies to both Seamoby drafts) by Ted Hardie and Thomas Narton, questioning the permanent assignment of scarce port and ICMP type number resources to the experimental Seamoby protocols, has been addressed by having both Seamoby protocols share an SCTP port and ICMP type number. The SCTP PPI and ICMP code are used to distinguish whether the message is for CARD or CTP. Because the WG is asking IANA to perform actions for both protocols, a new WG draft, draft-ietf-seamoby-iana-00.txt, contains the instructions to IANA from Seamoby, rather than having the instructions in the individual drafts. The CTP Issues page is at http://danforsberg.info:8080/draft-ietf-seamoby-ctp/ in case you would like to browse the issues, all issues are now Closed. Please let me know if you have any questions on the draft. jak _______________________________________________ Seamoby mailing list Seamoby@ietf.org https://www1.ietf.org/mailman/listinfo/seamoby