A coast-to-coast network trial by AT&T last month, using open-source “white box” switches, pointed toward an imagined future of more reliable services that may come quicker than some people think.The carrier ran a trial on its core network earlier this year using switches based on chips from Intel, Broadcom and startup Barefoot Networks.

The latter only started shipping in sample quantities in December, making the trial deployment a remarkably quick turnaround.[ The InfoWorld review: 6 slick open source routers. | Track the latest trends in open source with InfoWorld’s Linux Report newsletter. ]
Like other carriers and cloud providers, AT&T is aggressively shifting its network toward SDN (software-defined networking).

As these changes are carried out across more infrastructure, they should give both service providers and subscribers more flexibility and higher performance.To read this article in full or to leave a comment, please click here

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