Different Types of Servers
A dedicated hosting service or a dedicated server is a type of Internet hosting in which the client charters the complete server not shared with anyone. This is more flexible than shared hosting, as organizations have complete control over the server(s). In the Web hosting business, a dedicated server is usually a rented service. The user rents the server, software and an Internet connection from the Web host.Different servers perform varies jobs, from serving e-mail and video to protecting internal networks and hosting Web sites. Based on the functions performed server can be of the following types.Proxy Servers are placed between a client program, mostly a web browser and an external server which is mostly another server on the Web, to sort out requests and improved performance.Mail Servers are as vital as web servers. They store mail over corporate networks and also across the Internet.Server Platforms is often used in conjunction with operating system. It is the underlying hardware or software for a system and is thus the engine that drives the server.Web Servers provides content to a Web browser by loading a file from a disk and serving it across the network to a user's Web browser. This entire exchange is made possible by the browser and server communicating to each other with the help of HTTP.Application dedicated server hosting is also mentioned as a type of middleware. These servers inhabit a large portion of computing area between database and the end user, and often connect the two.Real-Time Communication Server was earlier known as chat servers or IRC Servers and sometimes also termed as instant messaging (IM) servers, facilitates large number of users to exchange information instantly.File Transfer Protocol or FTP Servers is one of the oldest of the Internet services. This server enables the movement of files securely between computers while offering file security and organization as well as transfer control.Collaboration Servers also called 'groupware,' exhibits the real power of the Web. This software enables users to work together, in spite of location, through the Internet or a corporate intranet and also to collaborate in a virtual environment.List Servers provides a way to administer mailing lists in an organized manner.Telnet Servers makes it possible for users to log on to a host computer and carry out tasks pretending they're working on the remote computer itself. Open Source Servers is one of the crucial segments of IT infrastructures.
Virtual Servers has become almost omnipresent in the data center. In 2009, the number of virtual servers used surpassed the number of physical servers.Server administration can usually be provided by the hosting company as an add-on service. In some cases a dedicated server may offer less overhead and a greater return on investment. Dedicated server hosting providers make use of severe security measures to ensure the safety of data stored on their network of servers. Providers often use various software programs for scanning systems and networks for obtrusive invaders, spammers, hackers, and other hazards.
