Patent ID: 8274918
Filing Date: 2012-09-25
Classification: H04L

Abstract:
1. An address resolution system for a plurality of network devices arranged to share a common public network address in a public network environment, comprising: an address resolution table residing in a computer memory associated with a router and configured to store a public network address and a source port assigned to each network device registered with the router in connection with a hardware address that uniquely identifies each of the registered network devices; a port management agent embodied as computer executable instructions residing on a given network device, the agent configured to receive a request to assign a source port to an application residing on the given network device and transmit the assignment request to the router; and an address resolution service embodied as computer executable instructions residing at the router, the address resolution service configured to query the address resolution table in response to the assignment request from the agent and transmit a reply to the agent based on results from the query of the address resolution table.