Ciena adds TDM, Ethernet pseudowires
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Ciena has fine-tuned its DN 7000 multiservice edge platform with more pseudowire and Ethernet interworking capabilities, the equipment vendor announced today.
The DN 7000, which has been deployed by AT&T and Verizon Communications among others, now supports generally availably Ethernet and TDM-based pseudowires in addition to the frame relay and ATM pseudowires it previously handled.
Pseudowires have been used to migrate legacy time-division traffic, such as ATM and frame relay, to multiprotocol label-switching networks, while preserving the service attributes of that traffic.
“TDM pseudowires are a newer trend in the market--taking TDM services like private-line services as well as 2G wireless traffic and putting that over a packet-based network,” said David Parks, Ciena’s senior product marketing manager.
The company also announced the general availability of Ethernet interworking capabilities on the DN 7000 products, using Address Resolution Protocol (ARP) Mediation to interwork ATM and frame relay traffic with Ethernet traffic.Related Articles
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