[VRRP] why link-local address for ipv6 VRRP

[Huafeng Lu <Huafeng.Lv at Sun.COM>]

Hi, VRRPers,

I'm new to this mail list...

While reading draft-ietf-vrrp-unified-spec-02, I found the virtual IPv6
address to be covered by the virtual router should be a link-local
address. On the VRRP routers that compose the virtual router, the
addresses used to send VRRP advertisements are also link-local. Is there
a reason to require link-local addresses? What's the possibility of
extending this to global addresses?

Thanks.
--
Huafeng
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