REALLOCATION METHOD FOR REALLOCATING CONNECTION IDENTIFIER IN NETWORK OPERATING IN CONNECTION MODE

摘要

PROBLEM TO BE SOLVED: To set more connection even when there is no identifier to be utilized by reallocating a connection identifier of a terminal called as an inactive terminal by which no network is used for a certain period for a network device. SOLUTION: A cable television network 1 is provided with user terminals 2a, 2b, 2c, etc., and a network head end 3. The network is the tree-shaped one with the highest nodes formed by the network head end. Tree-shaped leaves are formed by the user terminals. The user terminals are connected with the network head end by one or various intermediate nodes with repeater functions. Each user terminal is connected with the cable network 1 via a modem called as a cable modem and provided with two cable modems 4, 5. The user terminal 2a is connected to the cable network 1 by the modem 4.