>> > LL use can and should be reserved for bootstrapping and diagnostics. >> >> LL is used in applications already. e.g LL addresses are commonly used >> to address BGP endpoints on exchanges. > > I don't think of BGP as operating at level 7. well, BGP uses TCP as transport and most of the implementations I've seen use POSIX socket API just like any other application. the socket API needs let the application choose zone, and pick a suitable source address accordingly. > I don't have a problem with LL being used for a few special-purpose things > that can deal with it, so long as we don't expect LL to work for all or even > most apps. that is a big change in the IPv6 architecture. throwing all the cards up in the air every second year or so (anyone recorded what the frequency is for old and closed discussions reappearing on the ipng list?) gets rather trying after a while. perhaps about time to shut the IPv6 W.G down? /ot