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Диплом Quality of Service in Converged Enterprise Networks

  • Номер: 960
  • Тип работы: Диплом
  • Количество страниц: 50
  • Предмет: Иностранные языки
  • Добавил: luddmit
  • Содержание:
    Abstract 5

    Introduction 6

    Background 7

    Circuit Switching 9

    Packet Switching 10

    What is Voice over Internet Protocol (VoIP?) 10

    How VoIP Works 11

    Benefits of VoIP 12

    Convergence 12

    Benefits of Converged network in Enterprise 13

    Voice Switching in the Enterprise Network 14

    What is Voice Switching? 14

    Major Components of VoIP 15

    Factors affecting Voice over IP quality 16

    End-to-end one-way delay 17

    Packetization delay 17

    Propagation delay 17

    Packet Loss and its burstiness 19

    Jitter 19

    Factors that Impact Variable Delay (Jitter) 20

    Voice quality metrics 20

    All Networks Experience Delay 21

    Planning for VoIP 21

    Perform Readiness Audit 22

    Network Diagrams 22

    Link Types 22

    Point-to-Point Links 22

    Frame Relay 22

    Asynchronous Transfer Mode 23

    Network Availability 23

    Bandwidth 23

    Voice Compression 24

    Network Security 24

    Traffic Flow 24

    Lost Data 24

    Quality of Service (QoS) 25

    Why is QoS important? 25

    QoS architectures 26

    Methods to achieve QoS 27

    Best effort 28

    IP QoS via Integrated Services 28

    IP QoS via Differentiated Services 29

    Expedited Forwarding DiffServ Class 31

    Assured Forwarding DiffServ Class 32

    Ethernet 802 Standards 33

    Port-based Prioritization 34

    Traffic Separation 34

    Internet Protocol Address Prioritization 35

    Packet Fragmentation 35

    Frame Relay FRF. 12 35

    Point to Point Protocol Fragmentation 36

    IP Fragmentation (Maximum Transmission Unit) 36

    Challenges of Low Speed Wide Area Network Connections 37

    Compression

    Serialization Delay and MTU

    Challenges of Local Area Network Environment

    Congestion

    Collision

    Conclusion

    References

  • Цена:1300 руб.
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