A method and system for distributed network address translation with security for controlling and limiting the disruption caused by denial of service attacks. The method and system have a first network device and a second network device on a first network, and a third network device on a second network...http://www.google.com.au/patents/US7028335?utm_source=gb-gplus-sharePatent US7028335 - Method and system for controlling attacks on distributed network address translation enabled networks
