[95035] in North American Network Operators' Group
Re: Measurement data on transit traffic in IP routers?
daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Sun Feb 18 11:08:59 2007
In-Reply-To: <45D876A2.4070305@grnoc.iu.edu>
Cc: Chris Develder <chris.develder@intec.ugent.be>, nanog@merit.edu
From: Marshall Eubanks <tme@multicasttech.com>
Date: Sun, 18 Feb 2007 11:07:43 -0500
To: Andrew Lee <leea@grnoc.iu.edu>
Errors-To: owner-nanog@merit.edu
And be sure to check out the I2 netflow reports :
http://netflow.internet2.edu/weekly/
Marshall
On Feb 18, 2007, at 10:54 AM, Andrew Lee wrote:
>
> Hi Chris
>
> Your statement makes something of a presumption as to the architecture
> of a network. In many networks, edge aggregation devices do not
> participate in backbone routing, but simply pass the traffic they are
> aggregating into the core.
>
> One fairly well instrumented network that does have this edge/core
> collapsed model is the Internet2 network. You can find a lot of
> traffic
> and other data for the network at:
> http://noc.net.internet2.edu/i2network/live-network-status.html
> You should be able to extract all the info you need from there.
>
> /Andrew
>
> Chris Develder wrote, On 2/18/07 5:46 AM:
>>
>> Hi All,
>>
>> In preparation of a course, I'm looking for reference material
>> (paper,
>> report, talk...) giving real world data on the amount of transit
>> traffic
>> (ie. not locally dropped or added, but passing through to other
>> (backbone) routers) in a "typical" edge router of a core network,
>> esp.
>> ratio of local vs passthrough traffic (is it 30%, 40%...?) -- I don't
>> need absolute figures, just realistic estimates of that ratio.
>>
>> Any help in locating such references would be highly appreciated.
>>
>> Kind regards,
>> Chris
>>
