Network security will be one of the next areas for virtualisation, reckons Scott Lucas, the director of product marketing at Extreme Networks. The aim, he says, is to move away from applying security at specific places in the network, and instead make it available throughout.

However, that relies on the network infrastructure becoming intelligent enough to call upon its security resources - and that's a bet that Extreme has placed in developing switches capable of running applications and exchanging data via XML.

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