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Cyan Reaches for the Metro Core

October 09, 2012 | Craig Matsumoto |

Cyan Inc. is adding a packet and OTN switch fabric to its Z77 packet-optical transport system (P-OTS), stretching its capabilities to fit the metro core.

The XC-2800 switch fabric, announced Tuesday, goes into Cyan's flagship Z77 system. The fabric has capacity for 2.8 Tbit/s of traffic and can support 100Gbit/s OTN feeds, Cyan claims.

Why this matters
This is partly about core-router bypass, a design that allows the network to send Layer 2 label-switched paths (LSPs) across the core, rather than going up to Layer 3 and using a core-router port.

It's an architecture Verizon Communications Inc. has championed and is implementing, using the Alcatel-Lucent 7950 XRS router in the metro core. The XC-2800 marks Cyan's entry into the metro core as well, after previously targeting the Z77 at access and aggregation networks.

Juniper Networks Inc. is targeting this market, with its PTX series Packet Transport Switch, while Cisco Systems Inc. is addressing it with dense MPLS cards for the CRS-3 router.

Cyan, incidentally, is a Light Reading Leading Lights awards finalist for Company of the Year (Private), and AlcaLu's 7950 is a finalist for Best Telecom Product.

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