[147642] in North American Network Operators' Group
Re: Overall Netflix bandwidth usage numbers on a network?
daemon@ATHENA.MIT.EDU (Blake Hudson)
Fri Dec 16 09:11:54 2011
Date: Fri, 16 Dec 2011 08:10:46 -0600
From: Blake Hudson <blake@ispn.net>
To: Dave Temkin <dave@temk.in>
In-Reply-To: <4EE54B01.6000305@temk.in>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Requests to this address appear to go unanswered?
Dave Temkin wrote the following on 12/11/2011 6:29 PM:
> Feel free to contact peering@netflix<dot>com - we're happy to provide
> you with delivery statistics for traffic terminating on your network.
>
> Regards,
> -Dave Temkin
> Netflix
>
> On 12/7/11 8:57 AM, Blake Hudson wrote:
>> Yeah, that's an interesting one. We currently utilize netflow for
>> this, but you also need to consider that netflix streaming is just
>> port 80 www traffic. Because netflix uses CDNs, its difficult to pin
>> down the traffic to specific hosts in the CDN and say that this
>> traffic was netflix, while this traffic was the latest windows update
>> (remember this is often a shared hosting platform). We've done our
>> own testing and have come to a good solution which uses a combination
>> of nbar, packet marking, and netflow to come to a conclusion. On a
>> ~160Mbps link, netflix peaks out between 30-50Mbps around 8-10PM each
>> evening. The rest of the traffic is predominantly other forms of HTTP
>> traffic (including other video streaming services).
>>
>>
>> Martin Hepworth wrote the following on 12/3/2011 2:36 AM:
>>> Also checkout Adrian Cockcroft presentations on their architecture
>>> which
>>> describes how they use aws and CDns etc
>>>
>>> Martin
>>>
>>>
>>
>
