BitTorrent is 35% of traffic ?

Fri Nov 5 05:45:38 UTC 2004

Marshall Eubanks wrote:

>Reality check
>
>This week's netflow for the Internet 2
> 
>  
>
Netflow is based on port numbers and many run bittorrent on fairly 
random ports. Look at the 30%+ unidentified on the report.

Pete

>http://netflow.internet2.edu/weekly/20041025/
>
>has BitTorrent taking up about 4.8 % of the traffic, http is 15 to 18%, and all
>file sharing is about 10%, down from 50% 2 years ago.
>
>Since file sharing and related uses are generally heavy traffic sources on I2, I would conclude
>that the Reuter's numbers are too high. 
>
>regards
>Marshall Eubanks
>
>
>On Fri, 5 Nov 2004 08:59:42 +0900
> Tony Li <tony.li at tony.li> wrote:
>  
>
>>For those not familiar, BitTorrent is a file sharing app that is 
>>commonly
>>used for exchanging full movies.  As such, folks are moving gigabyte
>>files regularly and it's not surprising that this is detectable.
>>Shuffling .mp3's around would be trivial by comparison.
>>
>>Tony
>>
>>
>>On Nov 5, 2004, at 6:34 AM, Christopher L. Morrow wrote:
>>
>>    
>>
>>>On Thu, 4 Nov 2004, Deepak Jain wrote:
>>>
>>>      
>>>
>>>>http://in.tech.yahoo.com/041103/137/2ho4i.html
>>>>
>>>>According to Reuters, BT is more traffic than web/other forms of
>>>>traffic? I'm thinking the sampling methodology here might be a little
>>>>skewed.
>>>>        
>>>>
>>>1) where was the measurement done?
>>>2) how was the measurement done?
>>>3) what population was sampled?
>>>
>>>On some networks BT might account for far more than 30%, on others far,
>>>far less... Perhaps the writers will answer?
>>>
>>>-Chris
>>>
>>>      
>>>
>
>  
>