Multiplex communications – Wide area network – Packet switching
Patent
1989-07-14
1991-07-02
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 941, H04J 326
Patent
active
050291610
ABSTRACT:
A maintenance system for subscriber management data in a packet switched network which is to be used when subscriber terminal management data in a packet switching exchange is changed, comprises a step in which a change information file in a data accumulating device is created based on the subscriber terminal change data; a step in which the change of the subscriber terminal management data of a specified subscriber terminal is performed without affecting the communication processes of other subscriber terminals by a multitask process on a packet switching exchange which is remote controlled based on the change information file; a step in which a subscriber accumulation data base file in the data accumulating device is updated in synchronism with the result of a remote control. In the above-mentioned maintenance system, the subscriber terminal information in a packet switched network is unitarily controlled; local data information updating on each of the packet switching exchanges is not needed; a multitask process on each of the packet switching exchanges is made possible, and subscriber terminal management data can be changed without affecting the communication processes of other subscriber terminals.
REFERENCES:
patent: 4656624 (1987-04-01), Collins et al.
patent: 4677609 (1987-06-01), Piereth et al.
Marcelo Melvin
Mitsubishi Denki & Kabushiki Kaisha
Olms Douglas W.
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