CLASSIFICATION BY ITS FUNCTION
Naah as we told you before (again) we will explain about computer networks' classification by its function. There are client-server and peer-to-peer.
Client-Server
The client–server characteristic describes the relationship of cooperating programs in an application. The server component provides a function or service to one or many clients, which initiate requests for such services.
Functions such as email exchange, web access and database access, are built on the client–server model. Users accessing banking services from their computer use a web browser client to send a request to a web server at a bank. That program may in turn forward the request to its own database client program that sends a request to a database server at another bank computer to retrieve the account information. The balance is returned to the bank database client, which in turn serves it back to the web browser client displaying the results to the user. The client–server model has become one of the central ideas of network computing. Many business applications being written today use the client–server model. So do the Internet's main application protocols, such as HTTP, SMTP, Telnet, and DNS.
Peer-to-Peer
Each host or instance of the program can simultaneously act as both a client and a server, and each has equivalent responsibilities and status
nb. taken from wikipedia.org ;p
0 comments:
Post a Comment