Real-time call display for switching computer having...

Details Real-time call display for switching computer having... Real-time call display for switching computer having...

1999-03-24

2001-04-10

Lee, Thomas (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C707S793000, C714S039000, C714S045000, 37

Reexamination Certificate

active

06216181

ABSTRACT:

BACKGROUND OF THE INVENTION
The subject matter of the application relates to a monitoring system for a data processing unit for visual representation of internal sequences. The data processing unit has a sequence program. The sequence program enters into connection with peripheral equipment of the data processing unit via an operating system. The data processing unit is connected with an evaluation unit via an interface such that by the data processing unit, items with information relating to internal sequences of the sequence program are transmitted to the evaluation unit via the interface, are evaluated, and are represented on a display screen.
From GB 2253542 A, a monitoring system is known that comprises the features described above.
For data processing installations, for the analysis of the individual internal sequences in the execution of a sequence program there are listing units, also called tracers, by those skilled in the art. For switching computers there are special call followers, also called call tracers by those skilled in the art. The listing units list the data received during a test run at the side of the operating system opposite the sequence program of the data processing units. After the test run, the data are available for subsequent evaluation.
It can hereby occur that the actual internal sequences can no longer be reconstructed unambiguously, because they may have been obscured on their path via the operating. An apparent error of the sequence program may actually have been caused by an error of the operating system. A nearly simultaneous co-tracing capacity is not given.
SUMMARY OF THE INVENTION
An object of the invention is to create a system for monitoring the individual internal sequences of a data processing units in which a tracing is given in real time.
According to the present invention, a data processing system has a data processing unit with a monitoring system. The data processing unit has a sequence program. The sequence program is in connection with peripheral equipment of the data processing unit via an operating system. The data processing unit is connected with an evaluation unit via an interface such that, by the data processing unit, items of information relating to internal sequences of the sequence program are transmitted to the evaluation unit via the interface, are evaluated, and are represented on the display screen. The data processing unit with the sequence program is supplemented by a program module that forwards items of information relating to the internal sequences of the sequence program immediately to the interface. The monitoring system according to the application includes a real-time representation of the internal sequences in a data processing unit, in particular in an ISDN (Integrated Services Digital Network) switching computer or a B-ISDN (Broadband Integrated Services Digital Network) switching computer, whereby an error representation caused by the operating system of the data processing unit is avoided. The monitoring system according to the application is free of interrupts for the sequence program and is thus largely free of feedback.
Further advantageous constructions of the subject matter of the application relate to the representation of the internal sequences as alphanumeric expressions, preferably for testing purposes, and the representation of the internal sequences as graphic elements, preferably for presentations.


REFERENCES:
patent: 3585599 (1971-06-01), Hitt
patent: 3825901 (1974-07-01), Golnek et al.
patent: 4703446 (1987-10-01), Momose
patent: 5003595 (1991-03-01), Collins et al.
patent: 5206934 (1993-04-01), Naef
patent: 5347649 (1994-09-01), Alderson
patent: 5379374 (1995-01-01), Ishizaki et al.
patent: 2 253 542 (1992-09-01), None
patent: 2253542A (1992-09-01), None
Passt: Position Access switching system for telephony networks—B. Eckhardt et al—614 PTR Philips Telecommunication and Data Systems Review—47 (1989) Dec., No. 4.
AXE10: Architecture—8076 British Telecommunications Engineering 8 (1989) Oct., Part 3, London.
IBM Technical Disclosure Bulletin—vol. 38, No. 3 Mar. 1995.

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