North American Network Operators Group
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RE: Faster 'Net growth rate raises fears about routers

  • From: Travis Pugh
  • Date: Tue Apr 03 14:08:45 2001 
On Tue, 3 Apr 2001, Roeland Meyer wrote:

> The problem with this, if done, is that we back right into the other problem
> of prefix filtering. If the customer has a /19 or /20, there is generally no
> problem. But, if it is the usual case (/24) then only one of the upstreams
> can aggragate the routes up. What is the other ISP to do? How would this be
> made to work? BTW, this is exactly the reason we weren't fully multi-homed
> yet.
>
> Yes, greg described a way where both interfaces (end point) were NAT'd.
> However, I have a concern with brittleness and tinker-factor there.
>

Apologies.  We are a SP, and offer this service to customers.  They get
redundancy, and we don't have to punch holes in our aggregates.

-travis