[c-nsp] smaller PI

[Jon Lewis]

On Wed, 30 Jun 2010, Gert Doering wrote:

> On Wed, Jun 30, 2010 at 09:57:47AM -0400, Jon Lewis wrote:
>> Does RIPE really expect everyone to accept BGP routes as long as /29?
>
> RIPE doesn't expect anyone to accept anything.  RIPE deals in addresses,
> not in routing.

Yeah...I mentioned in my previous message that the RIRs only guarantee 
uniqueness of the numbers they assing...not routability on the public 
internet.

> (Yes, this sounds a bit academic - but there is a point to it: what if
> the operator community decides next year that /24s are evil, and only
> /23s are to be accepted?  Does this mean that RIPE will have to upgrade
> all existing PI blocks to /23s?)

Have to?  Maybe not...but I bet they'd get flooded with requests.  The 
RIRs can't guarantee general routability, but it seems disingenuous of 
them to assign a /27 to a multihomed network when it's well known that a 
/27 won't work for them...unless they only plan to use that /27 internally 
and use PA space for their BGP announced route.

----------------------------------------------------------------------
  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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