by Manek Dubash
Ten-gigabit Ethernet network switch vendor Arista Networks has been something of an industry poster child since its inception five years ago. It took its time producing its first products, but is now expanding into the UK.

When chief executive of Arista Networks Jayshree Ullal was in London recently, ZDNet caught up with her to talk about the company’s European expansion plans, the future of high-speed networking and how high-performance computing (HPC) is becoming mainstream.

Answering where the cloud computing trend is going, Ullal says, “You have to look at what happened to processors. They went from simple CPUs that got faster but also became multicore devices with tremendous capacity. Two years ago, 20 percent of servers in the datacentre were [HPC], and the rest were enterprise. Now that ratio is 50:50.

[That change in ratio] is because virtualisation has reduced the number of servers you need. But also, multicore web-facing applications have grown. So cloud computing is more about web-facing applications needing dense computing and multicore capabilities.

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