Internet Edge and Defense in Depth

["Holmes,David A" <dholmes () mwdh2o com>]

Some firewall vendors are proposing to collapse all Internet edge functions into a single device (border router, 
firewall, IPS, caching engine, proxy, etc.). A general Internet edge design principle has been the "defense in depth" 
concept. Is anyone collapsing all Internet edge functions into one device?

Regards,

David



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