In this network no computer set-aside as a server but all computers operator as equals.Each computer is called peer.Each computer can acts as a client or server.Each computer is responsible for its own security.It is small networks having number of computers less than 10
Advantages
The network is easy to operate.
The resorce sharing is simple.
It is cost effective for small network.
Disadvantages
It is not useful for database application.
It cannot maintain security.
It cannot be used for large networks.