Some hold that Arista is a bit undersized for an IPO, but the Silicon Valley computer networking company seems poised to file in 2013. In October, Arista hired former Palo Alto Networks CFO Michael Lehman, who left that company "IPO ready," according to Arista's press release. In March, CEO Jayshree Ullal told Reuters that Arista had doubled its revenue every year since launching in 2008. Ullal is respected among analysts and business minds in Silicon Valley, and she spent 15 years as a senior vice president at Cisco (Fortune 500) before moving to Arista. ,
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