Patent ID: 6507873
Filing Date: 2003-01-14
Classification: H04L

Abstract:
A network address assigning system, comprising:a plurality of sub-networks directly connected to each other; a network composed of said plurality of sub-networks; an address server for managing a plurality of network addresses of said sub-networks; a plurality of nodes for transmitting and receiving messages over said sub-networks; a plurality of routing nodes each having a node function for transmitting and receiving a message, a router function for transferring a message over said sub-networks, and an address management function for managing the addresses of said sub-networks; change notification means for causing said address server to re-assign the network addresses of said sub-networks and said routing nodes to notify said address server of the network addresses of said routing nodes; storage means for causing said address server to store address information; and notification means for causing said address server to communicate with said routing nodes and to notify said routing nodes of newly registered/changed network address information.