Re: FW: M-Lab-Related PCAPs

[Srikanth Sundaresan <srikanth () gatech edu>]

Thanks Jason.

I've tried to organize them here:

http://www1.icsi.berkeley.edu/~srikanth/tos.html

So please send along any interesting traces, any ideas for tests, or 
comments!

- Srikanth



On 11/8/14 9:46 PM, Livingood, Jason wrote:
> FYI to this list since I suspect few of you are on the M-Lab Discuss list.
>
> Srikanth from ICSI has kindly taken on consolidating some PCAPs. If anyone wishes to send any to him, he is at srknth.s () 
> gmail com<mailto:srknth.s () gmail com>.
>
> JL
>
>
> On 11/6/14, 7:24 PM, "Srikanth S" <srknth.s () gmail com<mailto:srknth.s () gmail com>> wrote:
> So it looks as though marking is not done for all MLab traffic. Also, some web traffic (to CNN) is marked at a lower 
> priority than streaming (Netflix), which is strange as web traffic is likely more sensitive to degradation than 
> streaming (?).
>
>
> Here are the traces:
> http://www1.icsi.berkeley.edu/~srikanth/pcaps/google.pcap
> http://www1.icsi.berkeley.edu/~srikanth/pcaps/youtube-image.pcap
> http://www1.icsi.berkeley.edu/~srikanth/pcaps/cnn.pcap
> http://www1.icsi.berkeley.edu/~srikanth/pcaps/netflix-streaming.pcap
>
> On Tuesday, November 4, 2014 1:29:16 PM UTC-8, Jason Livingood wrote:
> Another follow-up. Someone emailed me a PCAP off-list from an enterprise type of customer. Their PCAP was somewhat 
> incomplete (so I still need more) but they noticed that some traffic at the next priority down from 0x48 at 0x28 
> (priority). And some other traffic was marked with the next priority down again at 0x00 (routine).
>
> So it appears there are three DSCP / ToS markings in use rather than just two (0x00, 0x28, 0x48).
>
> So safe to say more research is needed here – anyone collecting PCAPs should IMHO continue. :-)
>
> Jason