Monday 23 May 2016

What is Server?

Introduction:
Server  means service provider (In simple language). It is a computer program or a device that provides functionality for other program or devices called client.Generally,People know this type of architecture as Client -Server architecture or model.

History:
The word Server comes from Quening theory.In short, I try to discuss it..
Quening  theory is the mathematical study of waiting lines, or ques.In queuing theory a model is constructed that queue length and waiting time can be predicted.
This idea since seen in telecommunication,traffic engineering.

Purpose:
The main work of server is to share data and resource to their client.The server computer works on Quid pro quo method (Means exchange of goods or services)

Types of Server:

1.Application Server:

Host working on web apps allowing users in the network to run and use them without having to install a copy on their own computers.

2.Catalog Server:

Its work as maintain index or table of contents of information that can be found across a large distributed network .Directory Services and Name Server are examples of catalog server.

3.Communications Servers: 
 This server maintain an environment needed for one communication endpoint to find other endpoints.Here endpoints denote to the users or devices which are connected to the server.

4.Computing Server:
This server only shares vast amount of computing resources,like CPU(central processing Unit),RAM(Random Access Memory) over the network.


5.Database Server:
Database server maintains and shares any form of database.In this server data with predefined properties that may displayed in a table.

6.Fax Server:
This server work only to share fax machines over network.

7.File Server:
This server work to share file and folder and share storage space to holds files and folders,or both. 

8.Game Server:
This server enables several computers or gaming devices to connect to play multiple games.

9.Mail Server:
This server only work to mail communication as the same way that post office make snail mail communication possible.

10.Media Server:
Media server only shares digital video and audio over a network through media streaming.

11.Print Server:
Print server shares one of more printer over a network.

12.Sound Server:
Sound server enable computer programs of a computer to play sound and record sound.


13.Proxy Server:
Proxy server acts as an intermediary between a client and a server.

14.Web Server:
A web service has been implemented which helps user to browse web service.


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