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Topic: Wide area network


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In the News (Wed 17 Apr 19)

  
  Wide area network - Wikipedia, the free encyclopedia
A wide area network or WAN is a computer network covering a wide geographical area, involving a vast array of computers.
WANs are used to connect local area networks (LANs) together, so that users and computers in one location can communicate with users and computers in other locations.
X.25 was an important early WAN protocol, and is often considered to be the "grandfather" of Frame Relay as many of the underlying protocols and functions of X.25 are still in use today (with upgrades) by Frame Relay.
en.wikipedia.org /wiki/Wide_area_network   (280 words)

  
 Wide Area Network Services   (Site not responding. Last check: 2007-11-05)
A wide area network (WAN) is a data communications network that covers a relatively broad geographic area and often uses transmission facilities provided by common carriers, such as telephone companies.
Wide Area Networks are built to provide communication solutions for organizations or people who need to exchange digital information between two distant places.
WAN Services' primary purpose is to ensure that our customers have dependable, centralized and secure data transmission between the i_TECH network and our customer's centralized access site.
www.itechcorporation.com /htmls/TechServ/wan.html   (722 words)

  
 WAN - Wide Area Network   (Site not responding. Last check: 2007-11-05)
WANs are built to provide communication solutions for organizations or people who need to exchange digital information between two distant places (in one country or in two different countries).
WANs enable an organization to have one integral network between all its departments and offices, even if they are not all in the same building or city, providing communication between the organization and the rest of the world.
The second network service is ISDN, which is a fully digitized service, enabling communication for most types of data (voice, computer data and images) at all the network nodes (meaning in every house).
www2.rad.com /networks/1994/networks/wan.htm   (1038 words)

  
 Wide Area Network Services
With the variety of network appliances in the District's network, that meant several "flavors" of modules had to be installed.
Networking personnel are still in the process of replacing these 4700s and should have the project completed within the next month.
Finally, in June, a Network Operations Center, or NOC, was hired on in a trial mode, to see if this type of operation could alleviate some of the work put on the networking personnel in trying to maintain a 24 x 7 x 365 uptime for the colleges.
www.maricopa.edu /its/annual00-01/wan.htm   (690 words)

  
 Wide Area Network
The State of Tennessee maintains a router-based Wide Area Network for the purpose of interconnecting State agencies as well as connecting the State with the rest of the world.
Network Design and Management Once an RFS is submitted to TW, the WAN department will design, provision, deploy and manage the network for that agency, based on their needs.
MAN (Metropolitan Area Network), formerly called the Capital Complex area, is State owned buildings in Nashville that are networked in a redundant gigabit fiber topology.
www.state.tn.us /finance/oir/tel/telwan2.html   (797 words)

  
 Wide Area Network
In both cable-based HFC networks and ADSL, access is expected to be billed at a flat rate; data is transmitted transparently to the CO or head end to be routed by the back-end equipment to backbone networks and ISPs.
Many network designers point to the cable industry's history of outages and poor customer service, noting that cable networks were built to broadcast entertainment and news, not to deliver critical data and transactions to hospitals during unfavorable weather conditions, for instance.
Upgrading networks to HFC and building data communication infrastructures does not co me cheaply, and the cable industry's major source of revenue--supplying traditional TV content--is being gnawed at by the satellite communication industry, which is also planning to compete for data-access customers.
www.planetsap.com /Wide_Area_Network_1.htm   (7222 words)

  
 Step 6: Wide Area Network (WAN) Fact Sheet - Schools and Libraries - USAC
A wide area network (WAN) is a voice, data, or video network that provides connections from one or more computers or networks within an eligible school or library to one or more computers or networks that are external to such eligible school or library.
Excluded from this definition is a network that provides connections between or among buildings of a single school campus or between or among buildings of a single library outlet or branch, when those connections do not cross a public right of way.
Networking components located within a school or library facility are most often internal connections rather than WAN components.
www.universalservice.org /sl/applicants/step06/wide-area-network-fact-sheet.aspx   (1370 words)

  
 Wide Area Network Services
The term Wide Area Network (WAN) usually refers to a network which covers a large geographical area, and use communications circuits to connect the intermediate nodes.
WANs are built to provide communication solutions for organizations or people who need to exchange digital information between two distant places.
Computers connected to a wide-area network are often connected through public networks, such as the telephone system.
www.ceocomputers.com /wan.htm   (108 words)

  
 3Com Technical Papers: What is a WAN (Wide Area Network) ?
Whereas a LAN (local area network) is a network that links computers, printers and other devices located in an office, a building or even a campus, a WAN (wide area network) is a system that extends for greater distances and is used to connect LANs (local area networks) together.
With a WAN in place, employees at the LANs in any of your offices, regardless of how geographically distant they may be, can freely exchange files and data with each other as if they were physically connected to one network.
The WAN connection you choose depends on your needs, your budget, the kinds of services you want and the types of connectivity services that are available in your region.
www.3com.com /corpinfo/en_US/technology/tech_paper.jsp?DOC_ID=5342   (1274 words)

  
 Define wide area network - a definition from Whatis.com - see also: WAN
A wide area network (WAN) is a geographically dispersed telecommunications network.
A wide area network may be privately owned or rented, but the term usually connotes the inclusion of public (shared user) networks.
An intermediate form of network in terms of geography is a metropolitan area network (MAN).
searchnetworking.techtarget.com /sDefinition/0,,sid7_gci214117,00.html?track=NL-34&ad=494384   (188 words)

  
 WANEng   (Site not responding. Last check: 2007-11-05)
Evaluates network communications hardware and software to ensure the products can accomplish specific tasks using a personal computer, appropriate hardware and software, and utility and development tools.
Works with network support specialists to ensure network backup procedures are completed properly.
Maintains an accurate inventory of all network communications components to ensure inventory levels are maintained, and appropriate transfers are filed with the Department.
www.tempe.gov /jims/jd/azdps/WANEng.htm   (522 words)

  
 Directional Gossip: Gossip in a Wide Area Network - Lin, Marzullo (ResearchIndex)   (Site not responding. Last check: 2007-11-05)
Abstract: this paper is the wide area network gossip protocol; we do not address local area network issues further.
In Section 1 we argued that to have a high reliability of message delivery, a wide area network gossip protocol needs to have some information about the network topology.
Wide area networks can be large and their topology may change frequently, and so we decided not to require each gossip server to have a priori knowledge about the entire network topology.
citeseer.ist.psu.edu /237760.html   (471 words)

  
 Chapter 1: What is a Network?
A Local Area Network (LAN) is a network that is confined to a relatively small area.
Wide Area Networks (WANs) connect larger geographic areas, such as Florida, the United States, or the world.
Networkable versions of many popular software programs are available at considerable savings when compared to buying individually licensed copies.
fcit.coedu.usf.edu /network/chap1/chap1.htm   (836 words)

  
 WIDE AREA NETWORK SIMULATION
The network does not know anything about the end-to-end application that is running over an ATM connection after the connection has been established.
TDM networks move information in fixed-length 8-bit “time slots.” Because TDM networks are designed to carry voice, 8,000 time slots per second (the rate of sampling used for the digitalization of voice) are allocated to each connection.
In our network design the vendor specific boxes that we are using are not equipped with Ethernet port, hence we created a default management group configured manually with management IP access enabled.
www.bridgeport.edu /sed/projects/449/agrahari   (5203 words)

  
 Wide Area Network Connections   (Site not responding. Last check: 2007-11-05)
The size of a network is limited due to size and distance constraints.
However networks may be connected over a high speed communications link (called a WAN link) to link them together and thus become a WAN.
A PAD (packet assembler/disassembler) or an X.25 interface is used on a computer to connect to the X.25 network.
www.comptechdoc.org /independent/networking/cert/netwan.html   (1089 words)

  
 Wide Area Network Services
All of the Cisco equipment --Routers and ATM switches across the Maricopa WAN as well as the LAN equipment at the District Office, were upgraded to the latest IOS at least six months prior to December 31, 1999.
The choice of ATM for the Wide Area Network infrastructure has proven to be a very worthy and stable selection.
It is important to have a stable, as well as a manageable network with the rapid rate of growth and bandwidth demands necessary to fulfill college needs.
www.maricopa.edu /its/annual99-00/nets.htm   (1075 words)

  
 Oregon Wide Area Network -- OWEN
That is, NERO is a network of networks (contrast with a network that directly connects end-users).
Briefly, the concept behind statistical multiplexing is that the natural distribution of traffic flows in a packet network allows for bursts (brief periods of high traffic) from any source that is equal to the underlying capacity of the network.
In addition, a peer network is immediately able to take advantage of the various NERO connectivity sources without having to understand or negotiate those arrangements for itself.
www.antc.uoregon.edu /NERO/OWEN   (2764 words)

  
 WAN (Wide Area Network) (Linktionary term)
A WAN is generally an extension of an internal network into the wide area using private circuits such as T1 lines or virtual circuits in cell and packet switched networks such as ATM and frame relay.
Because WANs have been built with private leased lines, bandwidth has traditionally been low and costs have been high, which required careful monitoring and filtering of traffic between sites.
WANs can also be constructed across the Internet by implementing VPN (virtual private network) technology.
www.linktionary.com /w/wan.html   (437 words)

  
 Wide Area Network   (Site not responding. Last check: 2007-11-05)
This course will cover the wide area network (WAN) technology from the point-to-point network configurations as it relates to switched, analog, and high speed digital communications.
The areas to be covered include basic networks, data communications, packet switching and Integrated Services Digital Network (ISDN) and broadband ISDN.
This course is a study of T carriers to include the basic T-1 carrier as used in the digitized voice grade channels and the use of switching multiplexers for T-1.
www.spjc.edu /webcentral/acad/cnt/wan.htm   (337 words)

  
 Wide Area Network - WAN
Wide-Area Networks are commonly connected either through the Internet or special arrangements made with phone companies or other service providers.
A WAN is different from a MAN because of the distance between each of the networks.
In a WAN, one network may be anywhere from several hundred miles away, to across the globe in a different country.
www.computerhope.com /jargon/w/wan.htm   (97 words)

  
 netem - FAQ   (Site not responding. Last check: 2007-11-05)
Real wide area networks show variability so it is possible to add random variation.
Network delay variation isn't purely random, so to emulate that there is a correlation value as well.
Typically, the delay in a network is not uniform.
developer.osdl.org /shemminger/netem/example.html   (446 words)

  
 CIS Network Group Wide Area Network
The CIS Network Group supports WAN connections to remote offices in the B/CS area for organizations that are part of the university (individuals should use the dialup bank or a local ISP).
The customer is also responsible for paying all one-time charges for associated network equipment that may be needed (unallocated equipment may be provided free of charge by the Network Group).
The equipment to be used is specified by the Network Group and is maintained and inventoried by the Network Group.
www.net.tamu.edu /network/wan.html   (158 words)

  
 Wide Area Network (WAN)   (Site not responding. Last check: 2007-11-05)
A major factor impacting WAN design and performance is a requirement that they lease communications circuits from telephone companies or other communications carriers.
Numerous WANs have been constructed, including public packet networks, large corporate networks, military networks, banking networks, stock brokerage networks, and airline reservation networks.
Organisations supporting WANs using the Internet Protocol are known as Network Service Providers (NSPs).
www.erg.abdn.ac.uk /users/gorry/course/intro-pages/wan.html   (379 words)

  
 WIRELESS WIDE AREA NETWORK - Final Report
The conversion was prompted by high recurring Telco charges, WAN unreliability and the ability to improve network traffic throughput.
As previously stated, the primary benefit to the school is the use of the tower at the Police Station and the opportunity to gain a Telco to wireless conversion plan using the town's contractor.
The town's network is physically separate from the District's and operates independently.
www.tonawanda.ny.us /techsupp/reports/WANfinalreport_files/WirelessWAN-report.htm   (668 words)

  
 Wide Area Network Manufacturer Index
It is redefining the economics and quality of networking and the Internet through Unified Networks that promise a new era of collaboration, communications and commerce.
Our focus is on intelligent, flexible, dependable products that link network service providers (NSPs) to their customers, allow high-speed applications to traverse wide area networks (WANs), and enable the implementation of scalable backbones and access channels.
Lucent is No. 1 worldwide in DWDM/optical networking, ATM switching, frame relay technology, remote access technology and voice-over-IP gateways, and No 1 in the U.S. in central office switching systems and wireless infrastructure.
www.alliancedatacom.com /manufacturers/manindex.asp   (498 words)

  
 Wide Area Network Engineer
CCIE is widely considered to be the industry's most rigorous IT certification program, and CCIEs are required to pass recertification exams every two years.
With a CCDP, a network professional can design routed and switched networks involving LAN, WAN, and dial access services, applying modular design practices and making sure the whole solution responds optimally to the business and technical needs and is designed to be highly available.
With a CCNP, a network professional can install, configure, and troubleshoot local and wide area networks for enterprise organizations with networks from 100 to more than 500 nodes.
groups.msn.com /wideareanetworkengineer/yourwebpage2.msnw   (904 words)

  
 Towards Wide-Area Network Piranha: Implementing Java-Linda
WAN Piranha will have to schedule effectively in an environment where 1) the availability of the computing nodes for the entire run of the computation is not certain, 2) the range of computing devices available and their capabilities will vary greatly, and 3) interprocess communication time will vary greatly.
The main idea for how the trellis can be used for scheduling in WAN Piranha is that the data needed to make scheduling decisions is arranged hierarchically and a trellis can be constructed from the levels of this hierarchy.
In addition, since Java is a language especially suited to network and internet computing, security is a central part of its design; thus, while not eliminating the security problem for Piranha, it does provide a clear framework and mechanism for dealing with it.
cs-www.cs.yale.edu /homes/asmith/cs690/cs690.html   (7594 words)

  
 Wide Area Network (WAN) di Kota (WanKota) dan Desa (WanDesa) - Pendidikan dan Teknologi   (Site not responding. Last check: 2007-11-05)
Wide Area Network (WAN) di Kota dan Desa dimaksudkan untuk merangkum informasi yang berhubungan dengan teknologi untuk membantu pendidik dan pelajar di lapangan.
Di Indonesia perusahaan-perusahaan besar dan pemerintah menggunakan Local Area Network (LAN) yang dihubungkan ke WAN untuk telekomunikasi yang lebih luas, bisinis dan pelayanan informasi.
WAN telah berkembang pesat dan telah dipakai secara luas untuk transfer suara seperti penggunaan Voice over IP technology.
wankota.com   (674 words)

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