On Sat, 27 May 2006, Yoshihiro Ohba wrote:
Vidya, Administratively scoped multicast is not the only way for PAA discovery. DHCP based PAA discovery is also available: draft-ietf-dhc-paa-option-02.txt
I suspect adminsitratively scoped multicast discovery wouldn't be acceptable for much the similar reasons as Service Location Protocol (SLP) wouldn't be -- it requires multicast deployment.
We made an analysis of end-point discovery mechanisms for v6 tunnels a while ago. It might be worth a read:
http://draft-palet-v6ops-tun-auto-disc.potaroo.net -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf