MU Information Technology (Semester 6)
Distributed System
May 2013
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Explain absolute ordering and causal ordering process with the help of example for many to many communication.
10 M
1 (b) Explain RPC system model in detail.
10 M

2 (a) Discuss the need of coordinator. Also give any one algorithm for coordinator selection.
10 M
2 (b) What is the difference between Strict consistency model and Sequential consistency model? How sequential consistency model is implemented in DSM?
10 M

3 (a) What is physical clock synchronization? Explain any one algorithm in detail.
10 M
3 (b) Explain deadlock avoidance algorithm in a distributed system.
10 M

4 (a) How does light weight RPC work in cross domain architecture?
10 M
4 (b) Discuss file caching for distributed system.
10 M

5 (a) Discuss how processes and resources are bound together. How does process migration take place in Heterogeneous environment?
10 M
5 (b) What are the good features of a Distributed File Systems? Explain file sharing semantics of it.
10 M

6 (a) Justify the need of stateful and stateless server in RPC management.
10 M
6 (b) How are failures handles in message passing system in distributed systems?
10 M

Write short notes on (any two)
7 (a) Distributed Transaction Management
10 M
7 (b) System Oriented Names for Distributed Computing
10 M
7 (c) Load Balancing Issues
10 M
7 (d) Distributed System Models
10 M



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