In the Internet addressing architecture, a private network is a network that uses private IP address space, following the standards set by RFC 1918 for Internet.Wide area network Wikipedia.A wide area network WAN is a telecommunications network or computer network that extends over a large geographical distance.Wide area networks are often established with leased telecommunication circuits.Business, education and government entities use wide area networks to relay data to staff, students, clients, buyers, and suppliers from various locations across the world.In essence, this mode of telecommunication allows a business to effectively carry out its daily function regardless of location.The Internet may be considered a WAN.Related terms for other types of networks are personal area networks PANs, local area networks LANs, campus area networks CANs, or metropolitan area networks MANs which are usually limited to a room, building, campus or specific metropolitan area respectively.Design optionseditThe textbook definition of a WAN is a computer network spanning regions, countries, or even the world.However, in terms of the application of computer networking protocols and concepts, it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different LANs, MANs and other localised computer networking architectures.This distinction stems from the fact that common LAN technologies operating at lower layers of the OSI model such as the forms of Ethernet or Wi Fi are often designed for physically proximal networks, and thus cannot transmit data over tens, hundreds or even thousands of miles or kilometres.WANs do not just necessarily connect physically disparate LANs.A CAN, for example, may have a localized backbone of a WAN technology, which connects different LANs within a campus.This could be to facilitate higher bandwidth applications or provide better functionality for users in the CAN.I/51Uyi%2B2u3XL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIAmznPrime%2CBottomLeft%2C0%2C-5_PIStarRatingTHREEANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA(9%20Reviews)%2C445%2C286%2C400%2C400%2Carial%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_.jpg' alt='Local Area Networks Behrouz A Forouzan Pdf Free' title='Local Area Networks Behrouz A Forouzan Pdf Free' />WANs are used to connect LANs and other types of networks together so that users and computers in one location can communicate with users and computers in other locations.Many WANs are built for one particular organization and are private.Others, built by Internet service providers, provide connections from an organizations LAN to the Internet.WANs are often built using leased lines.At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other. Sapphire Plugins Sony Vegas Crack Download . Leased lines can be very expensive.Instead of using leased lines, WANs can also be built using less costly circuit switching or packet switching methods.Network protocols including TCPIP deliver transport and addressing functions.Protocols including Packet over SONETSDH, Multiprotocol Label Switching MPLS, Asynchronous Transfer Mode ATM and Frame Relay are often used by service providers to deliver the links that are used in WANs.X. 2. 5 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.Frame Relay. Academic research into wide area networks can be broken down into three areas mathematical models, network emulation and network simulation.Performance improvements are sometimes delivered via wide area file services or WAN optimization.Connection technologyeditMany technologies are available for wide area network links.Examples include circuit switched telephone lines, radio wave transmission, and optic fiber.New developments in technologies have successively increased transmission rates.In ca. 1. 96. 0, a 1.WAN, while core links of 5.As of 2. 01. 4, households are connected to the Internet with Dial Up, ADSL, Cable, Wimax, 4.G or fiber. The speeds that people can currently use range from 2.Kilobits per second through a 2.K modem over a telephone connection to speeds as high as 1.Gigabits per second over an Ethernet 1.GBase. Y connection.AT T plans to start conducting trials in the year 2.Gigabit Ethernet.Researchers Robert Maher, Alex Alvarado, Domani Lavery Polina Bayvel of University College London were able to increase networking speeds to 1.Terabits per second.Christos Santis, graduate student Scott Steger, Amnon Yariv, Martin and Eileen Summerfield developed a new laser that quadruples transfer speeds over fiber optic cabling.If these two technologies were combined, then a transfer speed of up to 4.Terabits per second could potentially be achieved, although it is unlikely that this will be commercially implemented in the near future.List of WAN typeseditSee alsoeditReferenceseditA WAN Is a Wide Area Network.Heres How They Work.Lifewire. Retrieved 2.Groth, David and Skandler, Toby 2.Network Study Guide, Fourth Edition.Sybex, Inc. ISBN 0 7.Forouzan, Behrouz.Data Communications and Networking.Mc. Graw Hill. p.ISBN 9. 78. 00. 73.AT T Aims to Quadruple Network Speeds for Businesses with 4.Gigabit Ethernet Data Trials for More Bandwidth and Faster Video Streaming.October 2. 8, 2. 01.Maher, Robert Alvarado, Alex Lavery, Domani Bayvel, Polina 1.February 2. 01. 6.Increasing the information rates of optical communications via coded modulation a study of transceiver performance.Scientific Reports.PMC 4. 75. 00. 34 .PMID 2. 68. 64. 63.A New Laser for a Faster Internet Caltech.External linksedit.
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