Patent ID: 7076801
Filing Date: 2006-07-11
Classification: H04L

Abstract:
1. A dynamically reconfigurable intrusion-tolerant network interposed between a service-requesting client and plural protected servers to minimize the impact of an intrusive event on the protected servers, comprising: a proxy server configured to receive an incoming network service request from the client and to forward said request pursuant to a tolerance protocol to the plural protected servers; a network link for communication of the incoming network service requests from the proxy server to respective ones of the plural protected servers; at least two acceptance monitors configured to receive from the protected servers respective responses and to apply respective acceptance tests thereto, the respective responses generated at the protected servers in response to the incoming network service request and providing redundancy for the intrusion tolerant network; and a ballot monitor configured to receive from the acceptance monitors respective results of the applied acceptance tests and to determine a preferred response based on the respective results of the acceptance monitors to forward to the proxy server for transmission to the service-requesting client.