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« Nothing to do with MPLS  
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toadlife
Premium
join:2004-05-03
Lemoore, CA
reply to CCIE aswell
Re: 1.2.3....

Where is it? I've viewed various backbone maps over the years, and never seen *any* Cable company represented.

NormanS
Premium,MVM
join:2001-02-14
San Jose, CA
·Pacific Bell - SBC

Did any of those maps show the old SBCIS backbone?

You are aware that there is a Tier 1, "Settlement free" group of transit providers running backbones? And there are networks who buy transit from Tier 1 networks, but have other peering arrangements, which are called "Tier 2" networks? And everybody else buys transit from some other transit provider.

No cable company is a Tier 1 network; they don't trade packets ("Settlement free peering"), nor do they sell transit to other providers. They do have their own, internal backbones. It is entirely possible for a Comcast user to run on the Comcast network from coast to coast without traversing a Tier 1 "backbone" provider's network.
--
Norman
~Oh Lord, why have you come
~To Konnyu, with the Lion and the Drum


CCIEaswell

@charter.com

reply to toadlife
said by toadlife See Profile :

Where is it? I've viewed various backbone maps over the years, and never seen *any* Cable company represented.
»grouper.ieee.org/groups/802/3/hs···0107.pdf

page 10


toadlife
Premium
join:2004-05-03
Lemoore, CA
Thanks.
Forums » AT&T Beefs Up Core Network« Nothing to do with MPLS  


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