> Yes, absolutely. Nothing is going to avoid *all* renumbering in > every possible situation, what site locals avoid is renumbering from > the outside affecting operations internally (if they're used properly). > > To me, that's a big win.
perhaps, but the "if they're used properly" comes with a cost - applications have to know how to deal with them. the other thing is that 'proper' handling of of SLs and LLs is different enough from proper handling of normal addresses that sane apps will only use them as a last resort, and the limitations of those kinds of addresses for normal opreations will not be discovered until the global addresses fail to work. the bottom line is that renumbering from the outside will still affect operations internally - just in ways that are more subtle and harder to diagnose. (as if the loss of external connectivity isn't enough of an effect) so I think SLs are a fairly limited win, and they come at a fairly high cost. I also think that external renumbering events are going to have to be carefully managed by humans, with plenty of advance notice, for the forseeable future. 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] --------------------------------------------------------------------
