Turin Unveils ADM with Ethernet Switching

Turin Networks today announced its TraverseEdge 100 (TE-100) compact SONET/SDH boxes with built-in Ethernet switch functionality.

Kevin Wade, Turin’s director or product marketing, says the “full-fledged” Ethernet switching capability is a unique feature of this “pizza box” add/drop multiplexer. That switching enables to ADM to aggregate and manage traffic at Layer 2 and support next-generation Ethernet services such multipoint VPNs. Wade says Ethernet switching also lets service providers do rate shaping, which lets them offer end users a wider variety of bandwidth increments and better control over the Ethernet service within a metropolitan network – so the provider can have multiple customer sites on one metro network, for example.

Wade says Turin has been a bit delayed in shipping its pizza box ADM, while others have been shipping for several months. But some pizza boxes, he says, don’t offer the reliability carriers expect in the SONET world, so Turin added the ability to support modular capability on the uplink side so if the box’s electronics fail, there is a hardware backup. All pizza boxes offer automated protection switching to recover from cable cuts, he says; Turin’s boxes include that and offer the ability for hardware/software recovering in the event of an equipment failure.

The SONET version of the TE-100 will be available this quarter, with the SDH version expected out in the fourth quarter. They will start at $7,000.

Both products support key standards, including GFP, LCAS (link capacity adjustment scheme) and both low-order and high-order virtual concatenation. These standards enable Ethernet traffic to be transported more efficiently over the SONET/SDH infrastructure.

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