RE: I-D Action: draft-templin-duid-ipv6-01.txt
"Templin (US), Fred L" <Fred.L.Templin@boeing.com> Tue, 12 January 2021 22:47 UTC
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From: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>
To: "Bernie Volz (volz)" <volz@cisco.com>, "Eric Vyncke (evyncke)"
<evyncke@cisco.com>,
"ipv6@ietf.org" <ipv6@ietf.org>, dhcwg <dhcwg@ietf.org>
CC: "Dickson (US), Sean M" <sean.m.dickson@boeing.com>
Subject: RE: I-D Action: draft-templin-duid-ipv6-01.txt
Thread-Topic: I-D Action: draft-templin-duid-ipv6-01.txt
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Date: Tue, 12 Jan 2021 22:47:26 +0000
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Hi Bernie, > -----Original Message----- > From: Bernie Volz (volz) [mailto:volz@cisco.com] > Sent: Tuesday, January 12, 2021 1:41 PM > To: Templin (US), Fred L <Fred.L.Templin@boeing.com>om>; Eric Vyncke (evyncke) <evyncke@cisco.com>om>; ipv6@ietf.org; dhcwg > <dhcwg@ietf.org> > Cc: Dickson (US), Sean M <sean.m.dickson@boeing.com> > Subject: RE: I-D Action: draft-templin-duid-ipv6-01.txt > > > BTW: If you used DUID-EN, you could easily do what we already do with the DUID: > > For AERO's Enterprise-ID, you can in the identifier field add 2-bytes of type to start followed by the value. This would let AERO use > many different DUID types under its enterprise number. FYI, here is the IANA Private Enterprise Number (PEN) code I was referring to when I (incorrectly) cited AERO: 45282 LinkUp Networks Fred L. Templin fltemplin&acm.org But, that value was not established by any standards action, and indeed it is a simple matter for anyone to obtain a PEN code from IANA outside the auspices of IETF standards. It would therefore seem like an enormous DOWNREF to entrust a random PEN code with carrying the entire global IPv6 address space that mature IETF standards will depend on. DUID-EN also has the disadvantage that a 6-byte "type code" preamble is always present, which is clumsy at best for a function intended to become mainstream in the future. > But this does require the Enterprise Number owner to assure that they always use the 2-bytes type in the future and have their own > "IANA" to manage it. > > (Organizations tend to be bad at managing vendor spaces as I only know too well - cost saving measures have usually meant that > people assigned to manage these kinds of spaces are cut or moved elsewhere.) Right; I don't think our standards should rely on random organizations that procure a PEN code to be dependable stewards of the space. > It will be good too see an updated version which provides motivation for a new type - with a clear explanation of why none of the > existing types are appropriate. Also, you may want to consider text that says something like only use this new type for these specific > usages, otherwise you MUST use one of the other types. Working on it. Thanks - Fred > - Bernie > > -----Original Message----- > From: dhcwg <dhcwg-bounces@ietf.org> On Behalf Of Templin (US), Fred L > Sent: Tuesday, January 12, 2021 11:42 AM > To: Eric Vyncke (evyncke) <evyncke@cisco.com>om>; ipv6@ietf.org; dhcwg <dhcwg@ietf.org> > Cc: Dickson (US), Sean M <sean.m.dickson@boeing.com> > Subject: Re: [dhcwg] I-D Action: draft-templin-duid-ipv6-01.txt > > Eric, see below: > > > -----Original Message----- > > From: Eric Vyncke (evyncke) [mailto:evyncke@cisco.com] > > Sent: Tuesday, January 12, 2021 5:50 AM > > To: Templin (US), Fred L <Fred.L.Templin@boeing.com>om>; ipv6@ietf.org; > > dhcwg <dhcwg@ietf.org> > > Cc: Dickson (US), Sean M <sean.m.dickson@boeing.com> > > Subject: Re: I-D Action: draft-templin-duid-ipv6-01.txt > > > > <without any hat> > > > > Hello Fred, > > > > Just wondering how would this new DUID could be used when several > > interfaces sharing the same DUID will request some > > address(es)/prefix(es) over DHCPv6 ? > > I think this may have been addressed in my response to Mark, but the intention is that an IPv6 address that is independent of any of > the node's physical interfaces and that provides an identity for the node is the address that would go into the DUID. [RFC7401][draft- > ietf-drip-rid] are two examples where a valid IPv6 address is generated and intended to provide an interface-independent, unique > and long lived identity for the node. Other examples may be defined in the future as well. > > > If you allow me to guess your use case, then would DUID type based on > > the private enterprise number (FAA and EASA have ones) could be used ? > > This would be simpler than requesting a new DUID type > > I was actually thinking that DUID-UUID would be a candidate surrogate DUID because the body is exactly 128bits the same as for IPv6 > addresses. But, by definition, UUIDs are *not* IPv6 addresses since they do not observe the [RFC4291] address architecture. > Per your suggestion, a private enterprise number could be gotten (AERO also already has one) and then use DUID-EN instead. But, > then there would not be a standards track specification guaranteeing that the holder of the private enterprise number would > consistently and forever always apply IPv6 address architecture semantics to their application of the private enterprise number. > > Hence, the proposal for DUID-V6ADDR. Or, if folks would prefer a different name I could imagine alternatives such as DUID-IN6, DUID- > IPV6, etc. Any preferences? > > Thanks - Fred > > > Hope this helps, > > > > Regards > > > > -éric > > > > </without any hat> > > > > -----Original Message----- > > From: ipv6 <ipv6-bounces@ietf.org> on behalf of "Templin (US), Fred L" > > <Fred.L.Templin@boeing.com> > > Date: Monday, 11 January 2021 at 19:47 > > To: "ipv6@ietf.org" <ipv6@ietf.org>rg>, dhcwg <dhcwg@ietf.org> > > Cc: "Dickson (US), Sean M" <sean.m.dickson@boeing.com> > > Subject: FW: I-D Action: draft-templin-duid-ipv6-01.txt > > > > Hi, more and more IPv6 address generation methods are being specified that > > intend to generate IPv6 addresses that are highly likely to be unique on either > > a global scale or unique within a bounded service domain. So much so, that > > some address generation methods intend for the IPv6 addresses to be usable > > as node identifiers. > > > > Recognizing this, this document proposes a new DHCPv6 DUID type known > > as "DHCP-V6ADDR" that includes an IPv6 address in the body of the DUID. In > > this way, IPv6 addresses produced by address generation methods intending > > to generate a node ID can be used as unique identifiers in DHCPv6 message > > exchanges. This would introduce a single new DUID type, for which the IANA > > allocation policy is "standards action". > > > > Alternatively, a separate DUID type could be allocated for each IPv6 address > > generation method. However, that approach may result in additional IANA > > allocations and would require implementation updates every time a new > > address generation method is specified. Hence, a single generic DUID type > > for all IPv6 generation methods is proposed, but open for discussion. > > > > Comments on the list welcome. > > > > Fred > > > > -----Original Message----- > > From: I-D-Announce [mailto:i-d-announce-bounces@ietf.org] On Behalf Of internet-drafts@ietf.org > > Sent: Monday, January 11, 2021 10:21 AM > > To: i-d-announce@ietf.org > > Subject: I-D Action: draft-templin-duid-ipv6-01.txt > > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > > > > > > Title : The IPv6 Address-based DHCPv6 Unique Identifier (DUID-V6ADDR) > > Author : Fred L. Templin > > Filename : draft-templin-duid-ipv6-01.txt > > Pages : 7 > > Date : 2021-01-11 > > > > Abstract: > > This document defines a new DHCPv6 Unique Identifier (DUID) type > > called DUID-V6ADDR that contains a single 128 bit IPv6 address. > > DUID-V6ADDR makes it possible for devices to use suitably-derived > > unique IPv6 addresses to identify themselves to DHCPv6 servers and/or > > other network nodes. > > > > > > The IETF datatracker status page for this draft is: > > https://datatracker.ietf.org/doc/draft-templin-duid-ipv6/ > > > > There are also htmlized versions available at: > > https://tools.ietf.org/html/draft-templin-duid-ipv6-01 > > https://datatracker.ietf.org/doc/html/draft-templin-duid-ipv6-01 > > > > A diff from the previous version is available at: > > https://www.ietf.org/rfcdiff?url2=draft-templin-duid-ipv6-01 > > > > > > Please note that it may take a couple of minutes from the time of submission > > until the htmlized version and diff are available at tools.ietf.org. > > > > Internet-Drafts are also available by anonymous FTP at: > > ftp://ftp.ietf.org/internet-drafts/ > > > > > > _______________________________________________ > > I-D-Announce mailing list > > I-D-Announce@ietf.org > > https://www.ietf.org/mailman/listinfo/i-d-announce > > Internet-Draft directories: http://www.ietf.org/shadow.html > > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt > > > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > ipv6@ietf.org > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > > > > -------------------------------------------------------------------- > > _______________________________________________ > dhcwg mailing list > dhcwg@ietf.org > https://www.ietf.org/mailman/listinfo/dhcwg
- FW: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- Re: FW: I-D Action: draft-templin-duid-ipv6-01.txt Mark Smith
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Eric Vyncke (evyncke)
- Re: FW: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Bob Hinden
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- Re: [dhcwg] I-D Action: draft-templin-duid-ipv6-0… Templin (US), Fred L
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Bob Hinden
- Re: I-D Action: draft-templin-duid-ipv6-01.txt otroan
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: [EXTERNAL] Re: I-D Action: draft-templin-duid… Templin (US), Fred L
- Re: [EXTERNAL] Re: I-D Action: draft-templin-duid… Bob Hinden
- RE: [EXTERNAL] Re: I-D Action: draft-templin-duid… Templin (US), Fred L
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Templin (US), Fred L
- Re: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Bob Hinden
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Templin (US), Fred L
- Re: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Ole Troan
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Templin (US), Fred L
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Manfredi (US), Albert E
- Re: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Simon Hobson
- Re: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Ted Lemon
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Bernie Volz (volz)
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Templin (US), Fred L
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- RE: [dhcwg] [EXTERNAL] Re: I-D Action: draft-temp… Bernie Volz (volz)
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Ted Lemon
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Ted Lemon
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Bob Hinden
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- RE: [EXTERNAL] Re: I-D Action: draft-templin-duid… Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- Re: [EXTERNAL] Re: I-D Action: draft-templin-duid… Bob Hinden
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Bernie Volz (volz)
- Re: I-D Action: draft-templin-duid-ipv6-01.txt Simon Hobson
- RE: I-D Action: draft-templin-duid-ipv6-01.txt Templin (US), Fred L