Update to BCP-38?

Fri Oct 4 22:01:58 UTC 2019

Mark Andrews wrote:

> Look at CableLabs specifications.  There is also RFC 7084, Basic
> Requirements for IPv6 Customer Edge Routers which CableLabs
> reference.

One of a stupidity, among many, of IPv6 is that it assumes
links have millions or billions of mostly immobile hosts
and define very large (but not large enough for billions or
even millions) minimum interval between ND messages, which
is applicable to links with much smaller number of hosts.

So, though rfc7084 says;

    it MUST explicitly
    invalidate itself as an IPv6 default router on each of its
    advertising interfaces by immediately transmitting one or more
    Router Advertisement messages with the "Router Lifetime" field
    set to zero [RFC4861].

rfc4861 forbids two RAs sent with minimum interval less than 16
seconds.

Is it "immediately transmitting one or more Router Advertisement
messages"?

						Masataka Ohta