Different Types Of Server According To Roles?

History of server has changed a lot by now, but it has moved parallel with computer network. With the advancement in computer network, servers also get improved.
Let us define a Server in short and sweet. Any machine that responds to your request is called a server and you are called Client at that particular movement of time because you are requesting a resource. Servers are of different types and have different type of roles for which it has been deployed for. You can classify a server on different parameters like size of server, nature of job server is doing.
Main we are classifying a server on bases of job assign to it, typically servers are of different types: Web servers, FTP servers, mail server, chat server, proxy servers, telnet server , online game servers, application server, list server etc. Mainly these servers work on given operating system and have specific port number allotted by server administrator.
* Web Server: Web Server is a server which serves you with websites hosted on it. When you open a URL through web browser (Internet Explorer, FireFox, Chrome, Safari etc. ) using http protocol that is host on web server and in response, you get a page of requested URL. All this process is been done by a web server on one side and web browser on client side. Different types of web server available in market are Apache, IIS etc.
* FTP Server: FTP stands for File Transfer Protocol. When you want to place some file or want to delete some file on a given server, you need to have FTP server installed on that given server. You need to have FTP software which can interact with server, can establish connect between your machine and server, so that you can make alternation in files. Many free open source software like FileZilla are available in market.
* Mail Server: As name suggest, mail is used for exchange email between different servers. Mail server works on SMTP protocol. SMTP stands for simple mail transfer protocol. All the mail service provider have web based GUI interface to customer , so that they can send and receive email and these web based GUI interface directly contact with mail server.
*Chat Server: Chat servers allow user to interact with each other in real time environment. User can chat with each other, can share files. Internet Relay Chat (IRC) a protocol, is used real-time Internet text messaging or for chat. It allows one – one communication via private message as well as chat and data transfer.
* Proxy Server: Proxy server are the servers which work in between Client machine (mainly browser) and an external server (web server) and provide a bridge between client and external server, improve performance, and share connections.
* Telnet Server: Telnet server help you to log on remote machine and you can manage remote log on computer like your own computer.
Here, we have tried to explain majorly used server, which are deployed to do different task. We are hoping, this article will be helpful to you for understanding server and its role.