Automatic Line Switching v1.1

Abran, A., Khelifi, A., Symons, C.R.

The Automatic Line Switching system is documented in the ISO technical report: ISO/IEC TR 14143-4 (Version 2000). The purpose of this ISO document is to provide to researchers and practitioners with sets of requirements to be used as publicly available documents for measuring the functional size of software. The Automatic Line Switching system used in this case study corresponds to set RUR B.8 of this ISO document. This set RUR B.8 documents the requirements for a real-time system to switch between a Work Line and a Backup Line which are provided for a communication channel: if the Work Line degrades or fails the Backup Line is used instead.

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