OpMode

Operation Modes
Hybrid Operation Mode
Operation Modes

☉ Distributed Operation

  • ─ Flexible

  • ─ Low cost

  • ─ Quality of service not guaranteed

  • ─ OA&M shared by individuals

  • ─ Good for voluntary networks

  • ─ World-Wide-Web

    ☉ Centralized Operation

  • ─ Guaranteed Quality of Service

  • ─ Very expensive OA&M

    • $6000/TPS for reliable central database

  • ─ Inflexible

  • ─ Example: Telephone Networks

    ☉ How to achieve QoS with low cost?

    國立政治大學資訊科學系 連耀南 lien@cherry.cs.nccu.edu.tw  mode.htm,  Fri Jun 6 22:05:12 CST 2003
    Hybrid Operation Mode

    ☉ Flexible levels of QoS

    ☉ Make use of personal Internet facility

    ☉ Low level QoS can use personal facility

    ☉ High level QoS use cenralized facility

    國立政治大學資訊科學系 連耀南 lien@cherry.cs.nccu.edu.tw  hybrid.htm,  Fri Jun 6 22:05:13 CST 2003