"PBB-TE was first championed by Nortel Networks Ltd. (NYSE/Toronto: NT), which found a supporter in BT Group plc (NYSE: BT; London: BTA). But the technology lost favor with BT's latest management last year, and Nortel, while still a proponent of PBB-TE, has dropped out of the carrier Ethernet market
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Ciena Thinks Beyond PBB-TE
