MMT1-Lec5 - Computer Networks 1 (Mng My Tnh 1) Lectured by:...

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Computer Networks 1 (M ng Máy Tính 1) Lectured by: Nguy n Đứ c Thái
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Lecture 5: Network Layer Reference : Chapter 5 - “ Computer Networks ”, Andrew S. Tanenbaum, 4th Edition, Prentice Hall, 2003.
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3 Contents ± The network layer design issues ± Routing algorithms ± Congestion control algorithms ± Quality of services ± Internetworking ± The network layer in the Internet
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4 Network Layer Design Issues ± Store-and-Forward Packet Switching ± Services Provided to the Transport Layer ± Implementation of Connectionless Service ± Implementation of Connection-Oriented Service ± Comparison of Virtual-Circuit and Datagram Subnets
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5 Store-and-Forward Packet Switching – Router The environment of the network layer protocols.
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6 Services Provided to the Transport Layer ± Network layer provides services to the transport layer ± Goals of network layer services ² Independent of router technology ² The transport layer should be shielded from the number, type and topology of routers ² Network addresses available to the transport layer should be uniformed and even across LANs and WANs
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7 Two Classes of Services in the Network Layer ± Connection less service ² Packets are called datagrams ² The subnet is called a datagram subnet ²
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This note was uploaded on 11/25/2010 for the course INFORMATIO 506002 taught by Professor Nguyenducthai during the Winter '10 term at RMIT Vietnam.

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MMT1-Lec5 - Computer Networks 1 (Mng My Tnh 1) Lectured by:...

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