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DS_10_tut_6_sol - CS3283 Distributed Systems Tutorial 6...

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CS3283 Distributed Systems Tutorial 6 Inter-Process Communication II Some points for further considerations … - Explain the importance of marshalling and unmarshalling in IPC - The relationships between the request-reply communication protocol and various forms of communication (blocking Vs. non-blocking; synchronous Vs. asynchronous; transient Vs. persistent) - What are the mechanisms of the request-reply communication protocol? - How does the request-reply communication protocol handle various types of failures? - The tradeoffs of the three variants of the request-reply communication protocols - Relationships between RCP and the request-reply communication protocol - The goals, mechanisms and characteristics of RPC - How to achieve various semantics of RPC? - What are the functions of the stub procedures? - Compare RMI with RPC Readings : Dollimore: chapters 4.3.1, 4.4, 4.6, 5.1, 5.2 and 5.3 and Tanenbaum: chapters 2.2 and 2.4 Question 1 A request-reply protocol is implemented over a communication service with omission failures to provide at- least-once RMI invocation semantics. In the first case the implementer assumes an asynchronous distributed system. In the second case the implementer assumes that the maximum time for the communication and the
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