A fault-tolerant 2*2 switching element for switching networks

Authors:
Ravi Mittal
Affiliations:
Department of Computer Science and Engineering, Indian Institute of Technology, Madras 600 036, India
Venue:
Computer Communications
Year:
1997

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Abstract

The switching elements that are used in switching networks generally cannot tolerate faults. In this paper we propose a fault-tolerant 2*2 switching element called FTSE. An FTSE consists of an interconnection of four ordinary 2*2 switching elements which are controlled by the same control (tag) bit. In the presence of a faulty switching element, the FTSE automatically reconfigures itself and performs the desired functionality. The reliability of FTSEs is higher than that of ordinary switching elements.