Telephonic communications – Special services – Anonymous party
Patent
1990-02-28
1994-03-29
Kulik, Paul V.
Telephonic communications
Special services
Anonymous party
395800, 379201, 364DIG1, 3642408, 3642409, 3642222, 3642223, G06F 1314
Patent
active
052993167
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a method of automatically editing data for managing a processor that carries out distributed control and to a system using this method. More particularly, the present invention is concerned with a method of automatically editing office data handled in a hierarchical storage program control system which accommodates a large number of terminals and handles a load occurring at random, and to a system using this method.
There are known program control systems in which a load is subjected to a distributed processing by a plurality of sub-systems under the control of a central processing unit. Some of such systems have a hierarchical structure where a plurality of sub-systems have lower-order sub-systems. In such a system, structural units (including a low-order unit having a processor) are arranged in each layer of the hierarchical structure on the basis of a predicted load. It is necessary to reconstruct the system if a real load applied to the system after starting the operation thereof is different from the predicted load, or processing is not balanced over the sub-systems. In the above-mentioned system, data relating to all units are stored in a memory managed by the central processing unit. Thus, it is necessary to modify data managed by the central processing unit when reconstructing the system. This takes a large amount of time and requires much labor. Thus, an improvement in the hierarchical structure is desired.
DESCRIPTION OF THE RELATED ART
FIG. 1 is a block diagram of an exchange system which is a conventional program control system. The illustrated system is configured as follows. A console (CS) 10 is connected to a bus 19-1, and is operated by a craft person. A magnetic tape unit (MT) 11 is connected to the bus 19-1 and stores files of office data relating to all structural elements necessary to operate the system. An operation/maintenance processor (hereafter simply referred to as an OM processor) is connected to the buses 19-1 and 19-2, and controls data exchange between the console 10 and the magnetic tape unit 11 and communication between call processors 13-1 (CPR#i) and 13-2 (CRP#j) connected to the bus 19-2. The call processors 13-1 and 13-2 control switch networks 14-1 (SNi) and 14-2 (SNj), respectively. A plurality of line concentrators 15 (LC#m, LC#n, . . . , LC#0) are connected to the switch networks 14-1 and 14-2. Each of the line concentrators 15 is controlled by a peripheral processor (PPR) 16. Each of the line concentrators 15 accommodates a plurality of peripheral units (a, b, c . . . ) 17. Each of the peripheral units 17 accommodates a plurality of terminals (telephone sets, for example) 18 through a distributing frame (MDF) 20.
Each of the peripheral units 17 has a package structure (generally called a card) which accommodates a large number of subscriber line circuits. Each of the peripheral units 17 multiplexes signals from the terminals 18 with time division, and supplies a corresponding one of the line concentrators 15 with a multiplexed signal. Each of the line concentrators 15 mutually connects the peripheral units 17 and connects ones of the peripheral units 17 to a corresponding one of the switch networks 14-1 and 14-2 under the control of the associated peripheral processor 16. Call processors 13-1 and 13-2 control the switch networks 14-1 and 14-2 so as to establish a communication path between the different line concentrators 15 within the same switch network 14-1 or 14-2 or a communication path between the switch networks 14-1 and 14-2 in response to a request from each of the line concentrators 15. Each of the call processors 13-1 and 13-2 has a built-in memory, which stores office data relating to lower-order peripheral processors 16 and the peripheral units 17 which is necessary to form the aforementioned communication paths. Office data is defined as data relating to the types of units, characteristics (applications) thereof, number of units, and arrangement relationships between the units. Similarly, each
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Fujitsu Limited
Kulik Paul V.
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