Comcast is all set to green flag 100GBps network the optical networking equipment carrying live Internet traffic over a production fiber infrastructure. The 100-Gbps trial connects Comcast facilities in Philadelphia and to McLean, Va., running over the operator's metro and long-haul fiber links. Comcast is using preproduction versions of Nortel Networks' 100-Gbps interface cards, running in the vendor's Optical Multiservice Edge 6500 system. The sole aim of its executive vice president is to enable a building block for going to wideband. "Wideband" is the shorthand way Comcast and others in the industry have been referring to DOCSIS 3.0, the last-mile cable modem technology that can bond multiple channels together to provide download speeds of 100 megabits per second or more.

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