Patent ID: 7366129

Claim:
A communication node, comprising: a first network interface for a first network in which data transfer is based on a combination of request and response; a second network interface for a second network in which data transfer is not based on a combination of request and response; a packet conversion processing means for applying a packet conversion processing to a first packet received by the first interface and obtain a second packet corresponding to the second network at a time of executing an application across the first network and the second network; a packet information memory means for storing an information on each second packet transmitted from the communication node; a packet transmission control means for serializing transmission of a plurality of second packets to the second network by referring to the packet information memory means such that after one second packet is transmitted to the second network, a next second packet is not transmitted to the second network until a response packet corresponding to said one second packet is received from the second network; and a constituent element notification means for notifying at least a part of constituent elements of each node existing on one of the first and second networks as constituent elements of the communication node to another one of the first and second networks.