Patent ID: 8089972

Claim:
A system for dynamically provisioning feature server access in a communication network, the system comprising: a plurality of registration redirect servers configured to advertise a shared virtual Internet Protocol (IP) address common to the plurality of registration redirect servers, wherein each of the plurality of registration redirect servers is configured to update a service resource list, wherein the respective service resource list indicates at least one feature server accessible via the registration redirect server, wherein the network service resource list is an ordered list, and wherein the at least one feature server is indicated based at least in part upon a location in the network service resource list, wherein the at least one feature server is paired with a Network Address Translation (NAT) traversal manager; and a registration redirect server of the plurality of registration redirect servers is configured to cause the registration request to be redirected to the at least one feature server by providing an indication of the at least one feature server from the service resource list responsive to receiving a registration request from a client directed to the shared virtual IP address.