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US Cable Support > Comcast HSI > [Speed] Congested Comcast Peering with Akamai, Google in Midwest

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makaze
Premium
join:2004-02-23
USA

reply to depster

Re: [Speed] Congested Comcast Peering with Akamai, Google in Mid

said by depster:

said by whfsdude:

said by EG:

User Ring (UR), Area Ring (AR), Core Ring (CR) routing.

The one I've never understood is "SUR." I have yet to see this interface name used outside of Comcast. Happen to know?

Maybe Switched User Ring?

Nah it's a Super UR. In most areas it's a juniper with multiple AR connections for redundancy.
to forum · permalink · 2013-01-27 19:31:55 ·

johnnn

join:2007-01-25
Ypsilanti, MI

So based on the info in this thread, the changes in throughput (things are much improved), and the routing changes I've observed, it looks like Comcast hooked my neighborhood's CMTS (and likely all of wannarbor) into a Super UR whereas before it routed through two regular 10GigE URs on its way to the AR in Pontiac.

to forum · permalink · 2013-01-29 10:31:06 ·
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