Addressing - scoped unicast

Link-local
ND - there's no question, it's needed
Normal use - back to DNS discussion

Is site-local address really useful?
IBGP session
how likely we will renumber?
routers MUST have global address to send ICMPv6 to outside
Security risks
putting site-locals into routing header and attack nodes inside other company
Attacks via application layer (itojun@[fec0::1]@kame.net)