1Transport Layer3-1Chapter 3Transport LayerComputer Networking: A Top Down Approach 5thedition. Jim Kurose, Keith RossAddison-Wesley, April 2009. A note on the use of these ppt slides:We’re making these slides freely available to all (faculty, students, readers). They’re in PowerPoint form so you can add, modify, and delete slides (including this one) and slide content to suit your needs. They obviously represent a lotof work on our part. In return for use, we only ask the following:If you use these slides (e.g., in a class) in substantially unaltered form, that you mention their source (after all, we’d like people to use our book!)If you post any slides in substantially unaltered form on a www site, that you note that they are adapted from (or perhaps identical to) our slides, and note our copyright of this material.Thanks and enjoy! JFK/KWRAll material copyright 1996-2010J.F Kurose and K.W. Ross, All Rights ReservedTransport Layer3-2Chapter 3: Transport LayerOur goals:understand principles behind transport layer services:multiplexing/demultiplexingreliable data transferflow controlcongestion controllearn about transport layer protocols in the Internet:UDP: connectionless transportTCP: connection-oriented transportTCP congestion controlTransport Layer3-3Chapter 3 outline3.1 Transport-layer services3.2 Multiplexing and demultiplexing3.3 Connectionless transport: UDP3.4 Principles of reliable data transfer3.5 Connection-oriented transport: TCPsegment structurereliable data transferflow controlconnection management3.6 Principles of congestion control3.7 TCP congestion control
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