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Google uncloaks SDN for data centre networks

Posted: 22 Jun 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Google? data centre? Brocade? ZTE? enterprise?

In one session a network architect from China's Alibaba, one of the world's largest data centre operators, said its network is using a mix of Openflow and Open Virtual Switch technologies. She called for chips that are more consistent and thorough in their support of the emerging SDN standards.

Atrium provides testbed for SDN

Merchant 16x40G switch chip

Google sketched out components of Jupiter such as a merchant 16x40G switch chip.

Merchant 16x40G switch chip

One of the most popular demos on the show floor was of Atrium, an open source software stack created by the Open Networking Foundation that supports Openflow. Atrium combines code from existing open source projects to create a test bed for SDN. Two chip and three system makers participated in the demo of Atrium (below).

FPGAs enable open switches



A team of fewer than 20 engineers from the former Nortel Networks created Corsa. On less than $5 million in venture capital it shipped in eight months a 10, 40 and 100Gb/s network switch (above) based on an FPGA it programmed to handle Openflow concepts. The company will not reveal its sales to date, but said it has multiple customers.

Nearby on the show floor, a new team from Nagase & Co. Ltd, a chemical company in Japan, rolled out intellectual property for running SDN on an FPGA card (below). Its so-called Axonerve is a synthesisable core for a matching engine can handle 150MS/s at 150MHz with a 10-12 cycle latency and has been proven in a 28nm chip demoed at the event.

Next-gen chips adopt SDN concepts

SDN on an FPGA

ODM systems

Cavium showed three ODM systems (above) with its Xplaint SoC running a combination of its own SDK and open source software demonstrating how to remotely control a network with XML commands. The chip, announced last fall, supports table matching approaches such as Openflow, is sampling now and will be in production by the end of the year.

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