Corrigent emerges from hiding

Corrigent Systems this week emerged from stealth mode with the announcement of its first product, the CM-100 series of metro transport gear.

Corrigent's CM-100 is a Resilient Packet Ring (RPR)-enabled box that attempts to provide Synchronous Optical Network (SONET) resiliency for packet-based traffic, including Ethernet.

The company claims its offering is unique because it supports a full set of SONET/SDH and Ethernet services over RPR, with speeds as high as 10G bit/sec, at half the cost of optical Ethernet or next-generation SONET platforms.

The CM-100's cost savings are achieved by using the distributed switch architecture of an RPR topology, which does not use a centralized switching hub to backhaul traffic. Instead, the company says, each node on a ring is given switching functionality.

Fewer optical segments associated with distributed switch architectures use fewer optical ports to connect all nodes on the ring. Corrigent says this is one key aspect in the reduction of equipment costs.

The CM-100 is currently in beta tests. Corrigent officials did not disclose expected shipment dates. The product is expected to compete against RPR switches from Lantern Communications Inc. and Dynarc Inc., among others.

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