> I think the problem > is that when we see a site local address in the stack and > expect to do, say, a TCP connect to it, we don't know where > that address came from. If it came from home-site DNS then > we should somehow get to the home site. If it came from visited > network http link, then we should use it locally. I don't > think solving the problem by picking the right source address > is quite enough. This is because we may not have enough > information to do this selection. On the other hand the problem > also appears more general than just MIPv6 specific, because > other types of tunnels have similar problems.
indeed, it's much the same problem regardless of whether you're triyng to 'connect' via a MIPv6 tunnel, another kind of tunnel, or some layer 7 protocol that uses IP addresses as endpoint identifiers. in all of these cases the fact that SLs are ambiguous makes them very difficult to use. 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] --------------------------------------------------------------------
