Re: Requirements for IP Multihoming Architectures

[Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>]

> On Wed, Mar 21, 2001 at 04:04:58AM +1100, Geoff Huston wrote:
> > >  + contribution to AS exhaustion (private-use ASNs can be used)
> > 
> > why is this a pressing issue - it seems that the move to 4 octet
> > AS numbers is pretty much an absolute requirement, and as such its
> > just a case of when, not if.
> 
> Its a current problem with a solution that is known but not yet there.
> I think its prudent to mention it (and the solution).

2 byte AS numbers limit the number of ASes, which is a protection
against too many ASes and is good.

Make it 4 bytes long is no no.

							Masataka Ohta