NETWORK SIMULATION REVIEW

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??????????
??? ????????????? jluo_at_seu.edu.cn
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?????

• ????????????
• ????
• ?????
• ???????????
• ?????
• ???????,????

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????

• Routing
• QoS
• Multicast
• Admission Control Congestion Control
• Switching
• Middleware

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????

• IBM SNA?ISO OSI/RM?DoD TCP/IP?????????????????????
  
• SNA???????????
• OSI/RM????????
• TCP/IP??????????????
• XTP?VMTP?Delta-t?NETBLT???,??????????????????

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????

• ???????????,??????????????????????????????????????
  ,????????????????????????
• ????(Protocol Engineering)????????????????????????
  ,?????????????,?????????????????????,?????????????
  ???????????

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????????????
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??????FDT???

• ??????????
• ???????????????
• ???????????
• ?????????
• ?????????
• ???????
• ???????????(???????????????)
• ??????????????????

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FDT??

• ??????
• ?????FSM
• ???????CFSM
• Petri?
• ????????
• ????
• CCS,CSP
• ????

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FDT??

• ????(Process Algebra)???????????,???????????,????
  ????,????????????,????????????????????????(???????
  ),????????????
• ????(????FSM)???FSM????????????,???????

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???? FDT-SDL

• SDL (Specification and Description
• Language)FSM extensions
• 1976??CCITT(ITU)?? ,??????????????????????,????
  ???????????????,??????SDL-2000???? ?

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???? FDT- LOTOS

• LOTOS (Language Of Temporal
• Ordering Specification)CCSADT
• 80??ISO??OSI???????,1988??????????????
• LOTOS??????,??????????,????????????????LOTOS?????
  ??,?????????,???????ACT ONE????????

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FDT?????-Estelle

• Estelle(Extended State Transition
• Model Language)EFSM extended
  Pascal
• Estelle?????????????,???PASCAL???????,????????????
  ?????
• Estelle??????, ???1994?,Estelle??????????????,1996
  ???, Estelle???????50??,???????????Estelle ??????
  

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FDT?UML???

• ???UML (Unified Modeling Language)
  ??????????
• UML??
• UML???????????????????1995?10?????????,??UM
  L2.0???????UML??????????????????????????????,?????
  ????????????????

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FDT?UML???

• UML?????????
• ??????????????????
• ??????????????
• ???????UML??????
• UML?????????
• UML??????????????????,???????????,???UML?????
  ????

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FDT?UML??? BDL

• BDL (Behavioural Description Language)
• ???????????????BDL(?UML???????????????????)
• ??BDL?????????????????UML????,????UML??????????
• ?BDL?,???????????????????,???????????????????????
  

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FDT?UML???GPDL

• GPDL (Graphical Protocol Description Language )
• ????????????,??????????
• GPDL???????UML????????????,?????
• GPDL???????????,????????????,????????,??????????
  ?GAEL (Generic Action Extension
  Language)???????????,???UML????

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FDT?UML???GPDL

• GPDL????????????,?GPDL???????????????SDL
  ???

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SDL-2000

• ??????????FDT?,SDL?UML????????,??
• SDL??????????,??? ?(state
  diagram)??UML???5????????????????
• SDL????????,?UML??????????

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SDL-2000

• SDL-2000?SDL-96?UML?????????, SDL-2000
  SDL-96 UML

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??Petri??FDT

• Petri????????????????,???????????,??????
  ????????????
• Petri?????????????,?????????,????????????
  ?(????????)????????(????)?????????????????????????
  ??

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??Petri??FDT

• ????????????????????????,?????????,???????
  ????????????Petri?????????

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??Petri??FDT

• ?????FDT??????????????
• Estelle???????,????????,????????????
• LOTOS???????????,?????????,??????????
• SDL???????FDT,??????,???????SDL-2000??????UML?????
  ???,???????????????,?????,?????????SDL????? ?

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??Petri??FDT

• Petri?????????,?????????????????
• ??????,??????????????,???????????????????????
  ??,???????????,??????????????????? ?

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??Petri??FDT

• Petri????????????????????,????????????????
• Petri???????????,???????,??????????????
• Petri??????????????????,??????????????

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??Petri??FDT

• Petri???????????????,?????????????????????
• ?????????????,???Petri??????????????,???
  ????/??Petri????Petri?(TPN)???????Petri????Petri?
  (CPN)?????Petri?(OOPN)???Petri?(SPN)???Petri?(NPN)
  ??

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?????????

• ????????????FDT?
• ??????
• ??????????

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??Petri?????????

• ????????????Petri??????,?????????????,????????????
  ?????????
• ??Petri????????????,??Petri?????,?????????????????
  ??
• Petri???????????,?????????????????????????????????
  ???????
• ????Petri????????????????????????????????????????

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?????????!???????!

• Questions Answers