[ppml] Effects of explosive routing table growth on ISP behavior

[Brian Johnson]

Scott Leibrand wrote:
> >> precedent: the IPv6 guidelines say you have to announce your
> allocation as a single netblock.
> >>
> >
> > Question: Does it say you cannot advertise smaller portions as well
> as
> > the larger block?
> >
> 
> There's some debate on that, but as I read it, no.  My understanding
is
> that you're free to advertise subnets longer than /32 out of PA space,
> but other networks are free to filter them.
> 
> I think it may eventually be necessary to move toward something
similar
> for IPv4, but it's not all that urgent just yet.
>

So I can announce subnets longer than /32 to my desire and anyone can
filter as they desire.

Sounds like the IPv4 status quo to me.

- Brian