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© copyright University of Crete, Greece.
Dept. of Computer Science, University of Crete.
CS-534: Packet Switch Architecture

1. Links, Circuit Switching


Subsections in the current document:


1.1 Three Different Worlds now Converging


Three Different Worlds now Converging


1.2 Point-to-Point Links versus Shared Media


Shared medium link: turn-around overhead

how many bits is the distance d worth?

Shared medium link: arbitration delay, lack of parallelism


1.3 Serial versus Parallel Transmission


Distance versus transmission type

Parallel to serial conversion (transmitter)

Serial to parallel conversion (receiver) -clock phases

Serial to parallel conversion (receiver) -datapath


1.4 Digital Telephony, Circuit Switching


Reading Assignment:
Read section 8.2 (Circuit Switching), pp. 162-175, from the book (S. Keshav: "An Engineering Approach to Computer Networking").


Sampling rate, frames, multiplexing, demultiplexing

Time-Division Switching - Time Slot Interchange

Add/Drop Multiplexor: a simple, 3-port switch

Space-Division Switching, Crossbar, TST switch

Multi-stage switches, TSSST, inverse multiplexing


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© copyright University of Crete, Greece.
Last updated: February 2000, by M. Katevenis.