Patent ID: 7143187
Filing Date: 2006-11-28
Classification: H04L,H04W,Y10S

Abstract:
1. A packet communication control apparatus connected via a network to a plurality of gateway apparatuses, a subscriber node, and a server for holding information on correspondence between IP addresses allocated to communication apparatuses and the names of those communication apparatuses, comprising: means for monitoring a signal for sending a query from a first communication apparatus to the server about the address information of a second communication apparatus; a memory for storing the address information of the second communication apparatus and an identifier of a home gateway apparatus which is set permanently for the second communication apparatus, said address information and said identifier of said home gateway apparatus being included in a reply signal returned from said server in response to said signal; means for reading the identifier of said home gateway apparatus of the second communication apparatus from said memory when receiving a packet sent to the second communication apparatus from said first communication apparatus; and means for transferring said packet to a home gateway apparatus of the first communication apparatus after adding the identifier of said home gateway apparatus of the second communication apparatus; wherein the home gateway apparatus of the first communication apparatus transfers the packet to the home gateway apparatus of the second communication apparatus according to the identifier thereof.