Importance

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Abstract

In telecommunications switching systems, software is frequently modified, enhanced or replaced altogether by new versions. The implementation or integration of the new or revised software into the operational system must be accomplished in accordance with strict requirements for not disturbing the ongoing activities of the system. Therefore, it is desirable that the system not be halted while the change to the new software is made. Rather, the preferred approach is to be able to replace software modules with new versions on the fly, during system operation. The smooth modification made possible in the disclosed system allows such changes with minimal disturbance to ongoing activities by dynamically linking and binding software modules during execution. The disclosed system accomplishes this by applying expanded object-oriented programming techniques and utilizing language-independent interface specifications that remain unchanged and that obviate the need for storing symbolic information that would be subject to change following modification.

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First Claim