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548-proj2-Spring11 - ESE 548 Local Wide Area Networks...

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ESE 548 Local & Wide Area Networks Spring 2011: Prof. T.G. Robertazzi Project #2: Packet Switching To be submitted – Thursday, March 31 st 2011 Overview The basic anatomy of any communication network consists of terminals which transmit and receive information, links which transmit data electrically or optically and switches which route information from senders to receivers. Switching systems use labels to forward messages to destinations and allow large networks to be built economically. There may be different switching methods to share resources, however for this project you will be dealing with packet switching. Packet switches determine how to switch packets based on information in the packet headers. A switch has two or more ports. Its job is to switch data from one port to another. These ports are numbered. A data table in the memory of a switch tells the switch how to forward packets through the switch, i.e.,
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