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VIRTUALISATION Filtering the net without delay? No problem says Zscaler
VIRTUALISATION Filtering the net without delay? No problem says Zscaler | Filtering the net without delay? No problem says Zscaler |
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| by Stuart Corner | |
| Friday, 03 April 2009 | |
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Zscaler (pronounced zeescaler) claims its unique advantage is that its technology undertakes in-depth inspection of every web page accessed by end users, but without imposing significant delays. This of course, is the Nirvana which the Australian Government has been hoping to demonstrate with its controversial filtering trials but which many critics say is impossible. The company's pedigree is impeccable. Founders include security industry veteran, Jay Chaudhry, who has founded and funded several successful companies, including CipherTrust (acquired by Secure Computing), AirDefense (acquired by Motorola) CoreHarbor (acquired by USI/AT&T), Air2Web and SecureIT (acquired by VeriSign). Others include Kailash Kailash, the former chief architect of NetScaler, where he is credited with having delivered the highest performing load balancing platform. Heading the local operation as Pacific region director is John Martens who has spent the past four years as general manager of IronPort in Australia. He said that the Zscaler's service was based entirely on its own technology, as opposed to existing products simply running 'in the cloud'. "That is to our advantage," Martens claimed. "The issue with security in the cloud has been latency. We have solved the latency problem by building a three tier architecture and by splitting the workload across those tiers." According to Martens, "Latency through our node is measured in microseconds. And we stamp it on every transaction for users to see if they choose." Asked if Zscaler's technology, operated by an ISP using a dedicated Zscaler node, could meet the demands of the Government planned Internet filtering, Maartens said: "Not only could it solve it, it has the capability to have an overarching policy to block Mr Conroy's IP address or URLs and have a company to have its own policy running underneath it." He added that he did not believe Zscaler had arrived on the scene too late to be included in Conroy's planned filtering trials.
This article first appeared in ExchangeDaily, iTWire's daily newsletter for telecommunications professionals. Register here for your free trial.
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