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R emote I nvocation

R emote I nvocation. Pages 185 - 225. Objectives . Introduction RRP RPC Remote method invocation(RMI) Case study: java RMI. Introduction . Request-reply protocols Remote procedure call model (RPC)

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R emote I nvocation

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  1. Remote Invocation Pages 185 - 225

  2. Objectives • Introduction • RRP • RPC • Remote method invocation(RMI) • Case study: java RMI

  3. Introduction • Request-reply protocols • Remote procedure call model (RPC) • allows client programs to call procedures in server programs running in separate processes and computers • Remote method invocation (RMI) • allows an object living in one process to invoke methods of an object living in another process

  4. Introduction

  5. Request-reply protocols

  6. Request-reply protocols

  7. Request-reply protocols

  8. Request-reply protocols • Message identifiers • Failure model • Timeout • Discarding duplicate request messages • Lost reply messages • History

  9. Request-reply protocols • Styles of exchange protocols

  10. Request-reply protocols • HTTP methods (get,head,post,put,delete,options,trace)

  11. Request-reply protocols • Message contents (Request and reply message)

  12. Remote procedure call • Design issues for RPC • RPC Call semantics

  13. Remote procedure call • Implementation of RPC

  14. Remote method invocation • The object model • Distributed objects • The distributed object model

  15. Remote method invocation

  16. Remote method invocation • Implementation of RMI

  17. Case Study : Java RMI (self study)

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