Marconi Teams with Ethernet Port Extension over SDH

Marconi will incorporate MRV's Ethernet Port Extension (EPE) technology into its own PacketSpan solution for data over SDH. The MRV EPE technology extends Ethernet-over-SDH services to smaller and more geographically remote enterprises by taking PacketSpan Ethernet interfaces out of the operator's exchange or central office and placing them in customer premises. It uses electrical or optical Ethernet interfaces to connect to end customers' LAN infrastructures. Traffic is relayed over optical fiber, up to several kilometers long, terminating at a PacketSpan tributary card in the operator's network. PacketSpan then maps the end-customer's Ethernet traffic onto SDH. The service provider manages the PacketSpan CPE remotely, as if it were part of a network tributary card. The new Ethernet Port Extension solution is managed by Marconi's ServiceOn Optical network-management system. Financial terms were not disclosed.


Marconi's PacketSpan, which is part of Marconi's next-generation SDH portfolio, supports new mapping techniques such as GFP (Generic Framing Procedure), LCAS (Link Capacity Adjustment Scheme) and Virtual Concatenation.
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