I generate http test stream with DSCP code point 5 to match the Xbox service, 
however Comcast is rewriting the packets as CS 1, even when serving out a 
server at Soft Layer (paid peer).  This is why I ask for name of service 
Microsoft is using, it is not the regular paid peering.

Yeah, that won't work but that marking is just for byte counting (which per my 
other not does not really have any effect now anyway since the 250GB policy was 
suspended. See also 
http://blog.comcast.com/2012/05/the-facts-about-xfinity-tv-and-xbox-360-comcast-is-not-prioritizing.html

For peering & interconnect, see:
http://www.comcast.com/peering/?SCRedirect=true
http://www.comcast.com/dedicatedinternet/?SCRedirect=true

Thanks
Jason

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