Patent ID: 7853642
Filing Date: 2010-12-14
Classification: H04L

Abstract:
1. A network system, comprising: at least one network unit having a variable Internet protocol (IP) address and unique identification information; a dynamic host configuration protocol (DHCP) server responsive to a request from said at least one network unit for assigning said variable IP address to said at least one network unit for a predetermined period of time; and an agent server comprising: wherein said unique identification information received from the user comprises at least one of an Ethernet address of said at least one network unit and a search keyword for said variable IP address of said at least one network unit, wherein the Ethernet address comprises an address which corresponds to and is not the same as said unique identification information received from said at least one network unit, and wherein the search keyword comprises a keyword which corresponds to and is not the same as said unique identification information received from said at least one network unit.