Patent ID: 8427956
Filing Date: 2013-04-23
Classification: H04L,H04W

Abstract:
1. A method for facilitating packet flow in a communication network, comprising: receiving at a defender a request message sent from a node; communicating, from the defender, the request message to a load balancer, the request message having a destination address associated with the load balancer, the load balancer configured to communicate the request packet to a network element server selected from a plurality of network element servers; receiving, at the defender, a response message from the network element server, the response message comprising a reference to the request message; determining, at the defender, that the response message has a source address different from the destination address of the request message, the source address identifying the network element server as a source; in response to determining that the response message has a source address different from the destination address of the request message, determining, at the defender, whether the source address of the response message is included in a list of addresses of approved servers, the list of addresses of approved servers stored at the defender; and communicating, from the defender, the response message to the node if the source address corresponds to an approved network element server.