Re: [Autoconf] Closing summary on consensus-call for RFC5889 modifications
Teco Boot <teco@inf-net.nl> Mon, 23 August 2010 06:19 UTC
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From: Teco Boot <teco@inf-net.nl>
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Date: Mon, 23 Aug 2010 08:20:23 +0200
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To: Thomas Heide Clausen <thomas@thomasclausen.org>
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Cc: autoconf@ietf.org, Emmanuel Baccelli <Emmanuel.Baccelli@inria.fr>, Ralph Droms <rdroms@cisco.com>
Subject: Re: [Autoconf] Closing summary on consensus-call for RFC5889 modifications
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Hi Thomas, On the title change, I remember in Maastricht all accept one preferred the title change. On the list as well. There are two arguments. 1) it is _a_ model 2) the model doesn't support hosts, or at least not very well On the latter, there was a discussion without outcome. Regards, Teco Op 21 aug 2010, om 08:53 heeft Thomas Heide Clausen het volgende geschreven: > All, > > The consensus call on the last-round-changes to this document closed on August 9. > > Special thanks to Erik for providing the summary of changes for the last-call, and to everybody who have made their opinions known on the list. I note that there wasn't a storm of opinions or opposition to the proposed changes, which I interpret as that most in the WG are fine with the changes. > > Still, there was some discussion and some suggestions for changes to the proposal -- reiterated below with, the resolution to each item also indicated: > >> Change the title >> FROM >> IP Addressing Model in Ad Hoc Networks >> TO >> A Router Addressing Model in Ad Hoc Networks > > > There were no strong opinions expressed in favor of the change, and a some fairly strong objections raised against the change. > > ==> We therefore gauge that there is consensus for RETAINING the title as "IP Addressing Model in Ad Hoc Networks". > >> In section 5: >> OLD: >> Routing protocols running on a router may exhibit different >> requirements for uniqueness of interface addresses; some have no such >> requirements, others have requirements ranging from local uniqueness >> only, to uniqueness within, at least, the routing domain (as defined >> in [RFC1136]). >> >> Configuring an IP address that is unique within the routing domain >> satisfies the less stringent uniqueness requirements of local >> uniqueness, while also enabling protocols which have the most >> stringent requirements of uniqueness within the routing domain. This >> suggests the following principle: >> >> o an IP address assigned to an interface that connects to a link >> with undetermined connectivity properties should be unique, at >> least within the routing domain. >> >> >> NEW: >> Routing protocols running on a router may exhibit different >> requirements for uniqueness of interface addresses; some have no such >> requirements, others have requirements ranging from local uniqueness >> only, to uniqueness within, at least, the routing domain (as defined >> in [RFC1136]). >> >> Routing protocols that do not require unique IP addresses within the >> routing domain utilize a separate unique identifier within the routing >> protocol itself; such identifiers could be based on factory assignment >> or configuration. >> >> Nevertheless, configuring an IP address that is unique within the routing >> domain satisfies the less stringent uniqueness requirements of local >> uniqueness, while also enabling protocols which have the most >> stringent requirements of uniqueness within the routing domain. >> As a result, the following principle allows for IP autoconfiguration to >> apply to the widest array of routing protocols: >> >> o an IP address assigned to an interface that connects to a link >> with undetermined connectivity properties should be unique, at >> least within the routing domain. > > > There were no objections raised against the proposed changes. > > ==> We therefore gauge that there is consensus for CHANGING section 5 as proposed by the text below "NEW" in the above. > >> In Section 6.1: >> OLD: >> o There is no mechanism to ensure that IPv6 link-local addresses are >> unique across multiple links, hence they cannot be used to >> reliably identify routers (it is often desirable to identify a >> router with an IP address). >> >> NEW: >> o In general there is no mechanism to ensure that IPv6 link-local >> addresses are unique across multiple links, however link-local >> addresses using an IID that are of the modified EUI-64 form are >> globally unique. Thus if link-local addresses are used to reliably >> identify routers then they must be of the modified EUI-64 form. > > > There were some opinions expressed regarding the last sentence, notably that "must" (even if not capitalized as per RFC2119) is too strong. > > Christopher Dearlove and Teco Boot suggested/supported the following text, supported by Emmanuel Baccelli, and to which no opposition was expressed: > >> NEWER: >> >> o In general there is no mechanism to ensure that IPv6 link-local >> addresses are unique across multiple links, however link-local >> addresses using an IID that are of the modified EUI-64 form >> should be globally unique > > ==> We therefore gauge that there is consensus for CHANGING section 6 as proposed by the text below "NEWER" in the above. > > As the document is in the hands of the RFC Editor, we hereby ask our ADs (Ralph and Jari) for guidance as to if an updated I-D is appropriate, or if they will produce and forward the above as a note to the RFC Editor such that we can progress this document towards publication. > > Again, thanks to all for your efforts on this matter! > > Sincerely yours, > > Thomas > > _______________________________________________ > Autoconf mailing list > Autoconf@ietf.org > https://www.ietf.org/mailman/listinfo/autoconf
- [Autoconf] Closing summary on consensus-call for … Thomas Heide Clausen
- Re: [Autoconf] Closing summary on consensus-call … Jari Arkko
- Re: [Autoconf] Closing summary on consensus-call … Thomas Heide Clausen
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Emmanuel Baccelli
- Re: [Autoconf] Closing summary on consensus-call … reshmi r
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … reshmi r
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Juliusz Chroboczek
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Alexandru Petrescu
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Alexandru Petrescu
- Re: [Autoconf] Closing summary on consensus-call … Alexandru Petrescu
- Re: [Autoconf] Closing summary on consensus-call … reshmi r
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Alexandru Petrescu
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Alexandru Petrescu
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Charles E. Perkins
- Re: [Autoconf] Closing summary on consensus-call … Teco Boot
- Re: [Autoconf] Closing summary on consensus-call … Dearlove, Christopher (UK)