Re: Scalability issues in the Internet routing system

[sthaug () nethelp no]

> > I'd have to say that RFC 3513 is out of touch with reality here, yes.
> > As far as I know current routers with hardware based forwarding look
> > at the full 128 bits - certainly our Juniper routers do.
>
> Ours do as well, but essentially, that's because they are internal to
> our network. Nobody would need that in the shared DFZ part, there I
> agree with Rubens.

I agree about that part too.

> So although you would need the longer prefixes (right up to /128) in
> your routing core, you would not necessarily have to have them in
> your edge routers (as long as they don't directly connect to your
> core, like Cisco keeps telling us we should do).

That's just it - even if you don't need to exchange longer than /64
prefixes with other providers, your routers still need to handle the
longer prefixes in hardware (assuming you're using boxes with hardware
based forwarding).

Steinar Haug, Nethelp consulting, sthaug () nethelp no