Patent ID: 7050433
Filing Date: 2006-05-23
Classification: H04L

Abstract:
1. An address management apparatus for managing a network layer address and a data link layer address of a terminal connected to a network, said apparatus comprising: data link layer address storage means for storing a data link layer address table showing the correspondence between data link layer addresses and network layer addresses; data link layer address search means for searching the data link layer address table so as to detect an unused data link layer address; corresponding network layer address search means for searching the data link layer address table so as to detect a network layer address corresponding to a specified data link layer address; data link layer address assignment instruction means for transmitting a data link layer address assignment instruction which includes, as information, at least the unused data link layer address detected by the data link layer address search means to a terminal specified by the network layer address detected by the corresponding network layer address search means; data link layer address updation means for updating the correspondence between the data link layer address and the network layer address on the data link layer address table according to the information of the data link layer address assignment instruction; data link layer address assignment instruction detection means for detecting the data link layer address assignment instruction so as to obtain the data link layer address from the data link layer address assignment instruction in the terminal specified by the network layer address detected by the corresponding network layer address search means; and data link layer address setting means for setting the data link layer address obtained by the data link layer address assignment instruction detection means in the terminal specified by the network layer address.