KEYWORDS: Switches, Switching, Receivers, Data conversion, Signal attenuation, Clocks, Telecommunications, Data communications, Dielectrics, Transmitters
An implementation method of a core SONET/SDH switch with high capacity is introduced in the paper. High-speed serial I/O, switching architectures and design considerations for switching unit are involved. It supports strictly non-blocking for unicast traffic and re-arrangeably non-blocking for dual-cast. Dualcast traffic allows for efficient scheduling of working and protection paths in UPSR(Unidirectional Path Switched Ring)/BLSR (Bidirectional Line Switched Ring) applications.
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