[138538] in North American Network Operators' Group

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Re: estimation of number of DFZ IPv4 routes at peak in the future

daemon@ATHENA.MIT.EDU (David Conrad)
Wed Mar 9 13:01:36 2011

From: David Conrad <drc@virtualized.org>
In-Reply-To: <5B86E65F-4D37-4F8F-87D7-D5D4CD9AED6B@delong.com>
Date: Wed, 9 Mar 2011 08:00:22 -1000
To: Owen DeLong <owen@delong.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Mar 9, 2011, at 7:28 AM, Owen DeLong wrote:
>> It won't, it will take an "S" shape eventually. Possibly around 120k =
prefixes, then it will follow the normal growth of the Internet as v4 =
did.=20
> I think it will grow a lot slower than IPv4 because with rational =
planning, few organizations should need to add more prefixes annually, =
the way they had to in IPv4 due to scarcity based allocation policies.

The implication of this statement would seem to be that the reason the =
routing tables are growing is due primarily to allocations and not =
deaggregation (e.g., for traffic engineering).  Does anyone have any =
actual data to corroborate or refute this?

Regards,
-drc



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