PI space and colocation

Wed Jan 18 22:21:35 UTC 2006

On Jan 18, 2006, at 4:02 PM, Chris Adams wrote:

> Once upon a time, Patrick W. Gilmore <patrick at ianai.net> said:
>> It adds zero useful data to the global table, but increases RAM, CPU,
>> etc. on every router looking at the global table.
>
> How much difference is there between one AS (the colo provider)
> announcing a prefix and another AS (the customer) announcing it  
> through
> the first AS (the colo provider)?  If the space is ARIN assigned  
> PI, it
> isn't going to aggregate with the colo provider's space, so the prefix
> will still be a separate announcement.  The only difference is the AS
> path is one entry longer.

Well, obviously, the path entry is longer. :)

It's not huge, but it is there.  And like I said, many people argue  
over additions to the table which are actually useful.

-- 
TTFN,
patrick