'Simple telnet scenario' diaporamas de présentation

Telecommunication Systems and Technologies

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Chapter 3 outline

3.1 transport-layer services 3.2 multiplexing and demultiplexing 3.3 connectionless transport: UDP 3.4 principles of reliable data transfer. 3.5 connection-oriented transport: TCP segment structure reliable data transfer flow control connection management

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TCP: Overview RFCs: 793, 1122, 1323, 2018, 2581

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Announcement

Announcement. Project 2 out Much harder than project 1, start early! Homework 2 due next Tuesday. Previous Lecture. Reliable transfer protocols rdt 2.0: data corruption -> ACK/NAK rdt2.1: ACK/NAK corruption -> Seq # in data rdt2.2: a NAK-free protocol -> Seq # in ACKs

463 views • 29 slides