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Pal        University                                                         Unit 8: Data Link Protocols





                              Unit 8: Data Link Protocols                                       Notes


            CONTENTS
            Objectives
            Introduction

            8.1  Elementary Data Link Protocols
                 8.1.1  Simplex Stop and Wait
                 8.1.2  Positive Acknowledgement with Retransmission Protocol (PAR)
            8.2  Sliding Window Protocols

            8.3  Protocol Verification
            8.4  Example Data Link Protocols
                 8.4.1  High-level Data Link Control (HDLC)
            8.5  Point-to-Point Protocol (PPP)
                 8.5.1  PPP Components
                 8.5.2  PPP Frame

            8.6  Multiple Access Protocols
                 8.6.1  Multiple Access Protocols Classification
                 8.6.2  Aloha and Slotted Aloha
            8.7  Ethernet Technologies
                 8.7.1  Ethernet Frame

                 8.7.2  Fast Ethernet
            8.8  Wireless LAN
            8.9  Bluetooth
            8.10 Summary
            8.11 Keywords
            8.12 Review Questions

            8.13 Further Readings

          Objectives

          After studying this unit, you will be able to:
               Learn various concepts of elementary data link protocols with comprehensions of an
               unrestricted simplex protocol, a simplex stop-and-wait protocol and a simplex protocol
               for a noisy channel

               Comprehend sliding window protocols with various examples
               Know about protocol verifications and finite state machine model
               Discuss data link protocols such as high level data link control and the data link layer in
               the Internet




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