C makes sense to me. Hesham
> ----- Original Message ----- > From: "Bob Hinden" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Cc: <[EMAIL PROTECTED]> > Sent: Monday, August 04, 2003 9:06 PM > Subject: Moving forward on Site-Local and Local Addressing > > > > [IPv6 working group chair hat on] > > > > I think the working group has been making good progress on > replacing > > site-local addresses and wanted to get feed back from the > working group on > > how we should move forward. This is not intended to > directly relate to > the > > ongoing appeal of the working groups decision to deprecate > the usage > > site-local addresses, but to get feedback on how to > proceed. I think it > is > > very important that we move forward on this issue and not > rehash what has > > happened in the past. > > > > We now have a combined local addressing requirements document > > <draft-hain-templin-ipv6-limitedrange-00.txt>, a specific > alternative to > > site-local addresses draft > <draft-hinden-ipv6-global-local-addr-02.txt> > > (accepted as a working group item at the Vienna IETF), and > will soon have > a > > draft describing why site-local addresses are being > deprecated and doing > > the formal deprecation (authors identified and outline > discussed at the > > Vienna IETF). Note that all of these documents will > proceed through the > > normal working group and IETF processes of last calls and review. > > > > I think legitimate questions have been raised about how > the working group > > should go about deprecating site-local addresses given > their maturity in > > the current specifications and use in deployed products. > Specifically > > should they be deprecated independently from having an alternative > solution > > available, at the same time an alternative is available, > or sometime after > > an alternative is available. A forth alternative is to not replace > > site-local addresses in any form, but I think the working > group has made > it > > clear that this is not a reasonable alternative. > > > > I would like to hear from the working group on how we > should proceed. I > > think the choices are: > > > > A) Deprecate Site-Local addresses independently from > having an alternative > > solution available. This would mean that the working > group should treat > > the deprecation, and requirements and solution documents > outlined above > > independently from each other. If there was no consensus on an > alternative > > a replacement would not happen. > > > > B) Deprecate Site-Local addresses at the same time as a alternative > > solution is agreed to. This would mean advancing both > documents at the > > same time and making them include normative references to > each other to > > insure that they were published at the same time. This > would result in > the > > deprecation only happening if a consensus was reached on > an alternative. > > > > C) Deprecate Site-Local addresses after an alternative is defined, > > standardized, and in operational practice. This would > mean not advancing > a > > deprecation document until there was operational evidence that the > > alternative was working and shown to be an improvement > over Site-Local > > addresses. > > > > Note: In the above choices "Deprecate Site-Local addresses" means > > publishing an RFC that does the formal deprecation. > > > > Please respond to the list with your preference, or if there is an > > alternative approach that is an improvement from the ones > I outlined. I > > hope that many of you will respond. > > > > Thanks, > > Bob > > > > > -------------------------------------------------------------------- > > IETF IPng Working Group Mailing List > > IPng Home Page: http://playground.sun.com/ipng > > FTP archive: ftp://playground.sun.com/pub/ipng > > Direct all administrative requests to [EMAIL PROTECTED] > > > -------------------------------------------------------------------- > > -------------------------------------------------------------------- > IETF IPng Working Group Mailing List > IPng Home Page: http://playground.sun.com/ipng > FTP archive: ftp://playground.sun.com/pub/ipng > Direct all administrative requests to [EMAIL PROTECTED] > -------------------------------------------------------------------- > -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------