Electrical computers and digital processing systems: multicomput – Computer-to-computer data routing – Least weight routing
Patent
1997-06-09
2000-02-29
Banankhah, Majid A.
Electrical computers and digital processing systems: multicomput
Computer-to-computer data routing
Least weight routing
709105, G06F 900
Patent
active
060321741
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a stored-program-controlled system for processing of data. Such systems comprise hardware as well as software which are divided into a number of sub-systems and function blocks assigned given functions. The invention relates to a system comprising a central processor system with at least one signal processor for processing of, and administration of signals wherein the signal processor cooperates with at least one execution processor with a multiport register memory. The system also comprises a system memory. In such systems e.g. for the cooperation between the different function blocks, signals are used and particularly in systems with a high signalling load, it is required that the signals can be handled in a fast and efficient manner in order to provide the fastest possible signal data processing.
STATE OF THE ART
It is known in data processing systems in which the requirements on speed and efficiency are high, to use so called multiport storages, for example within internal data processing, in contex-switching etc.
For example in the AXE-system (by L M Ericsson) which is based on the use of a switching system and a control system, multiport storages in the central processor of the controlled computer are used for the process registers of the program system. In this case the temporary data of the program registers are processed and it is known to use a multiport memory set per interruptable program level. Therefor a fast switching can be achieved wherein actual process register data are available without requiring a preceding resetting of preserved data.
According to this known system a signal processor and an execution processor of thus cooperating. Then the signal processor transfers an incoming signal or a job to an intermediate buffer during the program execution of a preceding job in the execution processor. When a job has been terminated or if for example a program interruption is ordered to a job having a higher priority, the next function block-initiating signal with the data is fetched by the execution processor. In case of return to an interrupted program, a direct access to the register data of the program is provided through switching to a register set belonging to the program level. When a signal is sent, the executing processor transports signal data from its register memory to an output data-intermediate buffer.
Particularly through these transportations back and forth to intermediate buffers the capacity of the data processing system is limited which in some cases may have a limiting influence, particularly if the data processing system should have a high or even very high capacity.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a system for processing of data as initially referred to which has a high total capacity. It is further an object of the invention to provide a system in which the signal load is distributed in such a way that the capacity can be increased as compared to know systems. Particularly it is an object of the invention to provide a system wherein the time required for transportations of signals can be reduced. A particular object of the invention is to provide a system which facilitates and makes the distribution of jobs to more than one executing processor more efficient. Another particular object of the invention is to provide a system in which the data length of the signals which only to a limited extent affects the traffic handling in the system as compared to known systems.
It is also an object of the invention to provide a method for data processing which fulfils the objects mentioned above in relation to the system.
It is furthermore a particular object of the invention to provide a communications system such as for example a telecommunications system or a data communication system with load sharing which has a high capacity and wherein the objects mentioned above in relation to the system can be met.
These as well as other objects are achieved through a system for processing of
REFERENCES:
patent: 3825902 (1974-07-01), Brown et al.
patent: 5463625 (1995-10-01), Yasrebi
patent: 5596579 (1997-01-01), Yasrebi
patent: 5668948 (1997-09-01), Belknap et al.
Avsan Oleg
Wildling Klaus
Banankhah Majid A.
Telefonaktiebolaget LM Ericsson
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