Patent ID: 7385981
Filing Date: 2008-06-10
Classification: H04L

Abstract:
1. An address converting apparatus to convert an IP address format and enable communication between a first terminal and a second terminal having different IP address formats, the address converting apparatus comprising: an address acquiring unit which acquires a first private IP address in a first IP address format for the first terminal by connecting to a DHCP server that dynamically allots the IP address, and acquires a second private IP address for the second terminal; a network address providing unit which allots to the second terminal a network address according to a network address request, by the second terminal, to generate a global IP address of a second IP address format; an address converting unit which converts the second private IP address into the global IP address; a storing unit having a mapping table storing the second private IP address of the second terminal and the global IP address; and a control unit which announces a request for registration of the second terminal to a master server, wherein the master server manages and provides registration information and additional service information about the second terminal having the global IP address.