Distributed Systems

A distributed system can be defined as:

“A collection of independent computer which appears to its users as a single system”.

There are two aspects of this definition:

• Hardware: the machines are autonomous.
• Software: users think of the whole system as single computer.

In computer world there are several examples of distributed system like computer network of a University, GRID, etc. In ordinary life examples are like WWW, peer-to-peer systems (P2P), ticket reservation, etc.