• Signposts On The Roadmap Out To 10 Tb/sec Ethernet

    September 8, 2017

    The world of Ethernet switching and routing used to be more predictable than just about any other part of the datacenter, but for the past decade the old adage – ten times the bandwidth for three times the cost – has not held. While 100 Gb/sec Ethernet was launched in 2010 and saw a fair amount of uptake amongst telecom suppliers for their backbones, the hyperscalers decided, quite correctly, that 100 Gb/sec Ethernet was too expensive and opted for 40 Gb/sec instead.

    Now, we are sitting on the cusp of the real 100 Gb/sec Ethernet rollout among hyperscalers and enterprise …

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  • The 25G Ethernet Ramp Starts On The Server

    February 22, 2016

    There are two sides to every server network connection coming out of the rack, and staunch competitors are vying to own as much of the circuitry real estate that drives those connections as they can possibly attain. The trick to differentiation for those who make server network adapters is to provide something above and beyond a standard Ethernet interface running at 10 Gb/sec, and as we have been profiling here in The Next Platform, there is plenty of innovation going on in adapters.

    Three years ago, QLogic sold off its InfiniBand networking business to Intel, which has evolved …

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  • Dell Goes Modular With Tomahawk 25G Switches

    September 24, 2015

    The “Tomahawk” switch chips from Broadcom, which are based on the new 25G Ethernet standard crafted by hyperscalers, are starting to appear in more and more devices. This week, it is Dell’s turn to roll out some iron.

    Back in April, Dell was the first vendor out the door with switches based on the Tomahawk chips, which support port speeds of 25 Gb/sec, 50 Gb/sec, and 100 Gb/sec (with one, two, or four lanes per port) and which also can be downshifted to run at 10 Gb/sec or 40 Gb/sec speeds to be compatible with Ethernet server adapter cards and …

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