Omar Aguirre, COO of Optenet, said integrating the functions into a single product could reduce a company's costs by 70%.
Optenet reduces the number of servers needed because central, branch and end-user policies can be set on a single instance, deployed and managed centrally.
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Omar Aguirre said enterprise users want to reduce complexity and hardware. They also want greater independence from service providers, Aguirre added.
He said there is a strong trend towards a hybrid model of having core security in-house and outsourcing anti-spam services which can easily be switched to new providers if necessary.