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SDN Technology

ONF Beefs Up Atrium Open Source SDN Stack

The Open Networking Foundation on Tuesday introduced an update to its Atrium open source SDN stack, with added support for OpenDaylight and leaf-spine architecture.

Atrium, released last year, is designed as a platform to give network operators a taste of open source SDN -- "a vertical slice of something useful," Dan Pitt, Open Networking Foundation executive director, tells Light Reading. Open source and SDN are fundamental to New IP networks. (See ONF Updates Atrium Open SDN Software.)

In addition to previous support for the ONOS open source SDN controller, the new version, 2016/A, supports the OpenDaylight SDN controller. Both ONOS and ODL are projects of the Linux Foundation .

Atrium isn't abandoning ONOS -- it also supports that controller, with improved scalability and stability and by adding experimental support for the Interior Gateway Protocol (IGP).

Support for a leaf-spine architecture means an individual controller can control many switches. In the first version of Atrium, a single controller controlled only an individual switch.

Atrium provides network operators with a functional router, for laboratory use, to help them shop for a product.

Atrium is not the only software router available. CloudRouter is another open source alternative, and Brocade Communications Systems Inc. (Nasdaq: BRCD) ships the Brocade Router, notes Pitt.

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— Mitch Wagner, Circle me on Google+ Follow me on TwitterVisit my LinkedIn profileFollow me on Facebook, West Coast Bureau Chief, Light Reading. Got a tip about SDN or NFV? Send it to [email protected]

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