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#REDIRECT [[computer network]]
A '''[[computer]] [[network]]''' is a system for [[communication]] among two or more [[computer]]s.
{{Redirect category shell|
==Categorizing==
{{R from gerund}}
===By range===
{{R from merge}}
* [[personal area network]] (PAN)
}}
** [[wireless PAN]]
* [[local area network]] (LAN)
** [[wireless LAN]]
** [[HomePNA]]
** [[Power line communication]] (HomePlug)
* [[metropolitan area network]] (MAN)
* [[wide area network]] (WAN)
===By functional relationship===
* [[client-server]]
* [[multitier architecture]]
* [[Peer-to-peer]]
===By [[network topology]]===
* [[bus network]]
* [[star network]]
* [[ring network]]
* [[grid network]]
* [[toroidal networks and hypercubes]]
* [[tree and hypertree networks]]
===By specialized function===
* [[Storage area network]]s
* [[Server farm]]s
* [[Process control network]]s
* [[Value added network]]
* [[SOHO network]]
* [[Wireless community network]]
==Protocol stacks==
Computer networks may be implemented using a variety of [[protocol stack]] architectures, [[computer bus]]es or combinations of media and protocol layers, incorporating one or more of:
* [[ARCNET]]
* [[DECnet]]
* [[Ethernet]]
* [[Internet Protocol|IP]]
* [[Transmission Control Protocol|TCP]]
* [[User datagram protocol|UDP]]
* [[AppleTalk]]
* [[Token Ring]]
* [[IPX]]
* [[Sequenced packet exchange|SPX]]
* [[Fiber distributed data interface|FDDI]]
* [[HIPPI]]
* [[Myrinet]]
* [[QsNet]]
* [[Asynchronous Transfer Mode|ATM]]
* [[RS-232]]
* [[IEEE-488]]
* [[Universal Serial Bus|USB]]
* [[IEEE 1394]] aka Firewire, iLink
* [[X.25]]
* [[Frame relay]]
* [[Bluetooth]]
* [[IEEE 802.11]]
* [[System network architecture|System Network Architecture]]
For a list of more see [[Network protocol]]s
For standards see [[IEEE 802]].
==Suggested topics==
Further reading for acquiring an in-depth understanding of computer networks include:
* [[Communication theory]]
* [[OSI model]]
** [[Application layer]]
** [[Presentation layer]]
** [[Session layer]]
** [[Transport layer]]
** [[Network layer]]
** [[Data link layer]]
** [[Physical layer]]
* [[Data transmission]]
** [[Public switched telephone network]]
*** [[Modem]]s and dialup
** [[Wireless|Wireless transmission]]
*** Short range
**** [[Bluetooth]]
*** Medium range
**** [[IEEE 802.11]]
*** Long range
**** [[Satellite]]
**** [[Multichannel Multipoint Distribution Service|MMDS]]
**** [[SMDS]]
**** [[Cellular telephone data transmission]]
***** [[Code division multiple access|CDMA]]
***** [[Cellular digital packet data|CDPD]]
***** [[Global system for mobile communications|GSM]]
***** [[Time division multiple access|TDMA]]
**** [[Paging networks]]
***** [[DataTAC]]
***** [[Mobitex]]
***** [[Motient]]
** [[Wired Transmission]]
*** [[Dedicated lines]] (leased lines)
*** [[Time-division multiplexing]]
*** [[Packet switching]]
*** [[Frame relay]]
*** [[PDH]]
*** [[Ethernet]]
*** [[RS-232]]
** [[Optical fiber]] transmission
*** [[Synchronous optical networking]]
*** [[Fiber distributed data interface]]
* [[Computer networking device]]
* [[Network card]]
* [[Routing]]
* [[Bitnet]]
* Internet networks:
** [[Internet backbone|Backbone]]
** [[Transit]]
** [[Stub network|Stub]]
* [[Network Naming Schemes]]
==See also==
*[[Computing]]
*[[Internet]]
*[[Routing]]
==References==
* [[Andrew S. Tanenbaum]], "Computer Networks" (ISBN 0133499456).
* [[List of important publications in computer science#Computer networks| Important publications in computer networks]]
==External links==
* [http://www.ericdigests.org/pre-921/networking.htm Networking and Microcomputers]
* [http://www.elook.org/computing/network.htm Network - eLook Computing Reference] - defines what a network is and provides leading links
* [http://www.ericdigests.org/1993/k-12.htm Networking: K-12]
* [http://www.airhive.net/modules.php?name=Encyclopedia&op=list_content&eid=5 Networking dictionary]
{{commons|Computer_network|Computer networks}}
[[Category:Computer networks]]
[[Category:Information technology]]
[[ar:شبكة كمبيوتر]]
[[da:Datanet]]
[[de:Rechnernetz]]
[[es:Red de ordenadores/computadoras]]
[[fa:شبکه‌ی کامپیوتری]]
[[fr:Réseau (informatique)]]
[[ia:Rete de computatores]]
[[ku:Tor]]
[[hu:Számítógép-hálózat]]
[[minnan:Tiān-náu bāng-lō·]]
[[nl:Computernetwerk]]
[[no:Datanettverk]]
[[ja:コンピュータ・ネットワーク]]
[[lv:Datortīkli]]
[[pl:Sieć komputerowa]]
[[pt:Rede de computadores]]
[[ru:Компьютерная сеть]]
[[simple:Computer network]]
[[sq:Rrjetet kompjuterike]]
[[sv:Datornätverk]]
[[th:เครือข่ายคอมพิวเตอร์]]
[[vi:M%E1%BA%A1ng m%C3%A1y t%C3%ADnh]]
[[zh:计算机网络]]
[[he:Computer Network]]
Prof. Rahul Banerjee's free e-book on Internetworking Technolgies deals with the foundations of major internetworking architectures.(chapters 4-9) [[1]http://discovery.bits-pilani.ac.in/rahul/PDFversions/Complete-InetBook-PHI-2003-Secure.pdf]
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