ack to keith. we had to hack this in to apis. be nice if it left the api too. /jim
> -----Original Message----- > From: Keith Moore [mailto:[EMAIL PROTECTED]] > Sent: Friday, June 07, 2002 1:17 PM > To: [EMAIL PROTECTED] > Cc: Keith Moore; R.P. Aditya; [EMAIL PROTECTED] > Subject: Re: Fwd: IPv6 Scoped Addresses and Routing Protocols > > > > >for the most part, they're only a problem if you try to use > > >them in applications (where zero-configuration appliances > > >are an important subset of applications) > > >part of the problem is that the scope of link-local addresses > > >is *not* well-defined from an application's point of view, > > >since applications in general don't know, and shouldn't have > > >to know, about network topology. > > > > as long as the applications are properly > implemented with sockaddrs, > > they are okay. > > sockaddrs do not solve the problem of applications having to > figure out how > to reach a peer application in the absence of any knowledge > about network > topology. the source-selection rule isn't sufficient either. > > > the problem reside in protocols that pass IPv6 > > addresses in payloads (since view of the scope is > different by nodes), > > including: > > it's entirely appropriate for applications to pass addresses > in payloads, > and it's essential functionality for many kinds of applications > (distributed apps in particluar). > > for better or worse, the internet does not have a > location-independent namespace > that is reliable and useful for doing referrals to peer > processes. and nobody > has demonstrated an effective way to retrofit one into the > current architecture. > > > we need to keep link-local IPv6 address at least > for ND. use of > > link-locals within zeroconf environment needs further study. > > we agree about that much. but they think they're ready for > standards-track. > > Keith > -------------------------------------------------------------------- > 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] --------------------------------------------------------------------
