AT&T plans backbone upgrade to 40G

By Jim Duffy

June 7, 2006 12:00 PM ET

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Network World - AT&T plans to begin upgrading its global MPLS (Multi Protocol Label Switching) backbone to 40Gbit/sec. OC-768 speeds this summer.

The upgrade is part of AT&T's network expansion plan announced in February. That plan is funded by a 2006 capital expenditure budget of $8 billion to $8.5 billion.

AT&T Senior Vice President and CTO John Stankey announced the 40Gbit/sec upgrade, which will quadruple the backbone's current bandwidth, during a keynote address at this week's Globalcomm 2006 conference in Chicago. Stankey said initial deployments of OC-768 will be in 31 U.S. cities by the first quarter of 2007.

Global Crossing this week also disclosed it has begun upgrading its MPLS backbone to OC-768 (See "Global Crossing enhances service, upgrades network").
Stankey also said AT&T is on target to roll out IPTV in 15 to 20 markets by the end of this year.

He said AT&T has been able to achieve 20Mbit/sec. to 25Mbit/sec.over 4,000 feet, and even more in shorter distances.

IPTV is one application of AT&T's $6 billion Project Lightspeed fiber and DSL deployment.

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