Types of servers. In a general network environment the following types of servers may be found.. Application server, a server dedicated to running certain software applications Catalog server, a central search point for information across a distributed network Communications server, carrier-grade computing platform for communications networks Compute server, a server intended for intensive (esp. scientific) computations Database server, provides database services to other computer programs or computers Fax server, provides fax services for clients File server, provides remote access to files Game server, a server that video game clients connect to in order to play online together Home server, a server for the home Mobile Server, or Server on the Go is an Intel Xeon processor based server class laptop form factor computer. Name server or DNS Print server, provides printer services Proxy server, acts as an intermediary for requests from clients seeking resources from other servers Sound server, provides multimedia broadcasting, streaming. Stand-alone server, a server on a Windows network that neither belongs to nor governs a Windows domain Web server, a server that HTTP clients connect to in order to send commands and receive responses along with data contents Almost the entire structure of the Internet is based upon a client–server model. High-level root nameservers, DNS, and routers direct the traffic on the internet. There are millions of servers connected to the Internet, running continuously throughout the world... World Wide Web Domain Name System E-mail FTP file transfer Chat and instant messaging Voice communication Streaming audio and video Online gaming Database servers Virtually every action taken by an ordinary Internet user requires one or more interactions with one or more servers. There are also technologies that operate on an inter-server level. Other services do not use dedicated servers; for example peer-to-peer file sharing, some implementations of telephony (e.g. Skype), and supplying television programs to several users (e.g. Kontiki, SlingBox. Energy consumption of servers.. In 2010, data centers (servers, cooling, and other electrical infrastructure) were responsible for 1.1-1.5% of electrical energy consumption worldwide and 1.7-2.2% in the United States.[4] To put this in context, this is less than the 6 billion cell phones in the world use to recharge their batteries. Moreover, this pales in comparison to double-digit uses like heating and cooling, domestic hot water, ranges, ovens, and clothes dryers, to name a few. Finally, to keep this use in perspective, the Smart2020 report estimates that ICT (Information and Communications Technology) saves more than 5 times its carbon footprint[5] in the rest of the economy by enabling efficiency. Size classes... Sizes include.... rack server tower server miniature (home) servers mini rack servers blade server Mobile Server...
Posted on: Tue, 09 Jul 2013 13:23:22 +0000
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