[102644] in North American Network Operators' Group
Re: Deaggregation factor jump (Re: Weekly Routing Table Report)
daemon@ATHENA.MIT.EDU (Geoff Huston)
Sat Feb 23 20:40:53 2008
Date: Sun, 24 Feb 2008 12:39:42 +1100
From: Geoff Huston <gih@apnic.net>
To: Justin Shore <justin@justinshore.com>
Cc: David Conrad <drc@virtualized.org>, pfs@cisco.com,
NANOG list <nanog@nanog.org>
In-Reply-To: <47BF1D4A.4030006@justinshore.com>
Errors-To: owner-nanog@merit.edu
>
> David Conrad wrote:
>>
>> [cc's drastically reduced]
>>
>> On Feb 22, 2008, at 10:06 AM, Routing Analysis Role Account wrote:
>>> Analysis Summary
>>> ----------------
>>> BGP routing table entries examined: 246872
>>> Prefixes after maximum aggregation: 124953
>>> Deaggregation factor: 1.98
>>
>> Yow. Last week it was 1.96 and this constitutes a significant
>> increase. Anybody have an idea of what happened?
>
> Cox has jumped about 2k in the past month for me. If I could ever
> figure out what the OIDs are for BGP peers I would graph it.
>
Something is happening since the 21st of this month.
Check out the plot of BGP entries and ASes on the first page of
http://www.cidr.report.org. Both the number of BGP advertisements and
the number of ASes have increased noticeably in the past couple of days.
Geoff
Justin Shore wrote:
