Reference/Literaturverweis [Bre02a]
Bredereke, J.:
Maintaining Telephone Switching Software Requirements.
IEEE Communications Magazine 40(11), 104-109
(Nov. 2002).
We discuss how telephony software requirements should be structured
to reduce maintenance costs. "Feature interaction" problems have
become a serious obstacle to add more features to telephone
switches. We show why existing public switched telephone networks
are hard to modify. We then argue that a more modular, layered
requirements architecture can help. Finally we survey approaches for
such an improved telephone switching architecture and discuss them.
Keywords
software maintenance;
feature interaction problems;
telephone switching;
requirements architecture;
Intelligent Network.
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