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• To expose students to both the abstraction and details of file systems.
• To provide students with contemporary knowledge in parallel and distributed computing.
• To focus on performance and flexibility issues related to systems design decisions.
• Introduce a variety of methodologies and approaches for reasoning about concurrent and distributed programs

• Understand the concepts and issues related to distributed systems.
• Design and develop the programs for distributed environment.
• Manage performance, reliability and other issues while designing in distributed environment.

(04 Hours)

Review of Networks, Operating Systems – Concurrent Programming - Characteristics & Properties of DSs – Taxonomy - Design goals – Transparency Issues

(02 Hours)

Basic Message Passing Model – The Client Server, Message Passing, Remote Procedure Call Model – RPC in conventional languages and in Java - The Distributed Objects – The Collaborative Application

(08 Hours)

Communication in Distributed Systems, Socket Programming -Client Server examples, I/O Multiplexing, Inetd Super Server – Secure Sockets – The SSL & the Java Secure Socket Extension

(08 Hours)

Processes, Threads - Code Migration; Software Agents – CSP Distributed Processes - Naming  with Mobile Entities  - Unreferenced Objects

(04 Hours)

Clock Synchronization – Logical clocks – Election Algorithms – Distributed Mutual Exclusion 

(04 Hours)

Motivation, Object Replication, Consistency Models, Distribution Protocols – Consistency Protocols

(04 Hours)

Failure Models – Process Resilience – Reliable Client Server and Group Communications – Distributed Commit Protocols – Check-pointing and Recovery - Distributed Databases - Distributed Transactions

(04 Hours)

SUN NFS – Naming issues in DFS – Examples of contemporary DFSes – Comparisons

(04 Hours)

Distributed Object-based Systems – COM – CORBA – Architecture and Programming – Distributed Coordination based systems – TIB/RENDEZVOUS - JINI

(14 Hours)

(Total Contact Time: 42 Hours + 14 Hours = 56 Hours)

1. Implementation of the distributed applications/miniprojects using the TCP/IP Socket API as specified in the class e.g. a typical WWW server, a distributed Readers-Writers problem etc.
2. Implementation of the distributed applications/ miniprojects using the  SUN ONC RPC Model, JAVA RMI, any Java-CORBA ORBas specified in the class

1. A S Tanenbaum, Martin Steen,"Distributed Systems: Principles and Paradigms", 2/E,PHI, 2006
2. Nancy A. Lynch, "Distributed Algorithms", Morgan Kaufmann, 1996
3. W Richard Stevens, "Unix Network Programming: Vol 1, Networking APIS: Sockets & XTI",2/E, Pearson Education,1998
4. Colouris,Dollimore,Kindberg, "Distributed Systems Concepts & Design", 4/E,Pearson Ed. 2005
5. MukeshSinghal, Niranjan G. Shivaratri, "Advanced concepts in operating systems: distributed, database, and multiprocessor operating systems", MGH, 1/E, 1994.