RE: Multihoming - Resilience or Independence

["Lu, Ping" <]

> 
> > Even for PI and swamp space, if the organization divides 
> their space among
> > different ISPs for
> > multi-homed links. You still got a problem.   
> 
> That is what I thought this thread was about?
> 
> > > That is not the suggestion. See above. The assignments per 
> > > block and RIR
> > > is well known.
> > 
> > Well known and lots of holes in it. That's the problem.
> 
> Uhm, say again? You mean that there are people that take address
> assignments with them when they change provider? I think that 
> is a much
> larger problem than that of multihoming then...
> 

I mean when a customer get a second link from a backup ISP using the same
block from the primary ISP. Then it became a hole in the primary ISP's CIDR
block.


Ping Lu
Cable & Wireless USA
Network Tools and Analysis Group
W: +1-703-292-2359
E: plu@localhost