'Sndpkt make pkt ack' diaporamas de présentation

Transport Layer

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Transport Layer

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Review of Previous Lecture

Review of Previous Lecture. Transport-layer services Multiplexing and demultiplexing Connectionless transport: UDP. Outline. Reliable transfer protocols rdt1.0: reliable transfer over a reliable channel rdt2.0: channel with bit errors rdt2.1: sender, handles garbled ACK/NAKs

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Principles of Reliable data transfer

important in app., transport, link layers top-10 list of important networking topics!. characteristics of unreliable channel will determine complexity of reliable data transfer protocol (rdt). Principles of Reliable data transfer. rdt_send(): called from above, (e.g., by app.). Passed data to

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CS 4284 Systems Capstone

CS 4284 Systems Capstone. Networking. Godmar Back. important in app., transport, link layers top-10 list of important networking topics!. characteristics of unreliable channel will determine complexity of reliable data transfer protocol (rdt). Principles of Reliable Data Transfer.

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Data Communication and Networks

Data Communication and Networks. Lecture 6 Reliable Data Transfer October 12, 2006. important in app., transport, link layers top-10 list of important networking topics!. characteristics of unreliable channel will determine complexity of reliable data transfer protocol (rdt).

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Reliable Data Transfer

Important in app., transport, link layers Top-10 list of important networking topics! Characteristics of unreliable channel will determine complexity of reliable data transfer protocol. Reliable Data Transfer. Reliable Data Transfer. Reliable Data Transfer.

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CS 5565 Network Architecture and Protocols

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Chapter 3 outline

3.4 Principles of reliable data transfer. Chapter 3 outline. important in application, transport, link layers top-10 list of important networking topics!. characteristics of unreliable channel will determine complexity of reliable data transfer protocol (rdt).

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Chapter 3 Transport Layer

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rdt2.1: sender, handles garbled ACK/NAKs

Wait for ACK or NAK 0. Wait for call 1 from above. Wait for ACK or NAK 1. rdt2.1: sender, handles garbled ACK/NAKs. rdt_send(data). sndpkt = make_pkt(0, data, checksum) udt_send(sndpkt). rdt_rcv(rcvpkt) && ( corrupt(rcvpkt) || isNAK(rcvpkt) ). Wait for call 0 from above.

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Announcement

Announcement. Project 1 due last night, how is that ? Homework 1 grade, comments out Will be discussed in the next lecture Homework 2 out Project 2 almost ready, out tomorrow, will post online Much harder than project 1, start early!. Review of Previous Lecture. Transport-layer services

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rdt2.1: sender, handles garbled ACK/NAKs

Wait for ACK or NAK 0. Wait for call 1 from above. Wait for ACK or NAK 1. rdt2.1: sender, handles garbled ACK/NAKs. rdt_send(data). sndpkt = make_pkt(0, data, checksum) udt_send(sndpkt). rdt_rcv(rcvpkt) && ( corrupt(rcvpkt) || isNAK(rcvpkt) ). Wait for call 0 from above.

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