A distributed system consists of multiple autonomous computers that communicate through a computer network. The computers interact with each other in order to achieve a common goal. A computer program that runs in a distributed system is called a distributed program, and distributed programming is the process of writing such programs.

The List of topics are as given below:

Here is each topics is Case Study.

*Transparency in Distributed Systems;

*Principles of Middleware;

*Examples of Object-Oriented Middleware e.g. CORBA, RMI, .NET; Service oriented computing;

*Web Services stack;

*Grid computing;

*Message-Oriented-Middleware;

*Frameworks e.g. J2EE, Containers, Inversion of Control;

*Reflection e.g. Dynamic Invocation, Interface Repositories;

*P@P and Overlay Technologies e.g. KBR, DOL, DHT: Chord, Pastry, Napster, Gnutella, bitTorrent;

*Persistence: Principles of Persistence, Data Storage Technologies, Data binding, Distributed file systems