Describe the possible rmi invocation semantics, Operating System

Assignment Help:

Question:

(a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two threads in the same process? When would you want different processes?

(b) Describe the function of any two of following in the context of a remote procedure call

• Communication Module
• Dispatcher
• Server Stub

(c) Describe the role of a remote object reference during marshaling and unmarshalling, at both clients and servers, in an RMI system.

(d) By using examples, distinguish between a local method invocation and a remote method invocation.

(e) Briefly discuss and describe the possible RMI invocation semantics.

(f) A ‘null' RMI that takes no parameters, calls an empty procedure and returns no values delays the caller for 2.0 milliseconds. Explain what contributes to this time.

In the same RMI system, each 1K of user data adds an extra 1.5 milliseconds. A client wishes to fetch 32K of data from a file server. Should
it use one 32K RMI or thirty-two 1K RMIs?


Related Discussions:- Describe the possible rmi invocation semantics

Semaphore, define semaphore. how can we use semaphore to deal with n-proces...

define semaphore. how can we use semaphore to deal with n-process critical section problem.

Define semaphore, Define semaphore A semaphore is a protected abstract ...

Define semaphore A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in

Difference between message passing and shared memory, Problem: a) To en...

Problem: a) To ensure proper operation, the operating system and all the other programs must be protected from any malfunctioning program. Describe a mechanism which is impleme

Describe the three levels of data abstraction, There are three kinds of D...

There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a

Explain message passing system, Message passing system:- The function o...

Message passing system:- The function of message system is to permit processes to communicate with one another without the requirement to resort (option) to shared data. Commun

What are the system components of an operating system, What are the system ...

What are the system components of an operating system and explain them? a) Process management b) Main-memory management c) I/O management d) File management e) Seco

What is logical address space and physical address space, What is logical a...

What is logical address space and physical address space? The set of all logical addresses formed by a program is known as a logical address space; the set of all physical addr

Describe the state when you run an unlink operation, Describe when you run ...

Describe when you run an unlink() operation to remove a file on the ext3 file system. Be specific about what disk blocks have to be written where in what order. State your assumpti

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd