General Office - general Advantages and Disadvantages of Wide Area Network
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general Advantages and Disadvantages of Wide Area Network
Internet was never inherent without the invention of enthralling switches, satellites, fibre optic cables and Lan cards. Those who find it difficult to get idea of wide area network, internet is one live example of it. Before we look into Wide Area Network (Wan), we must have an comprehension of what is Local Area Network (Lan).
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Local Area Network, as the name suggests, is a network built in a minuscule area by using Lan cables, switches and Lan cards. One example is a network of a university or a firm office at one location. The computers on a Local Area Network are linked to a network switch. You can whether make this network a workgroup (share minuscule resources) or domain (share all kind of resources and services). On domain, you have the privilege to grant permissions to users to share resources or limit them to use sure services. As Lan can only work within a sure distance, we need Wan to connect institutions and offices at separate locations.
Wan connects two or more Lans, and this is inherent with the use of devices like routers. There are many ways to build a Wide area network. You can whether lay down your own cables in the middle of two or more locations or you can use leased lines. Most clubs use leased lines as very minuscule clubs can bear the cost of thousands pounds for it.
The businesses and institutions get leased lines from separate assistance providers and pay them on monthly basis. Today, many clubs are establishing Virtual secret Network (Van) by using leased lines. A Van can be established by buying Live Ips from the assistance provider, at two or more separate locations. To secure this network, the Network Administrator uses routers and firewalls to secure the network.
On Wan, the users at separate locations are linked to a central server. The name of this computer is server because it is there to serve all the computers on the network. All the computers on the network are linked to central database on the server. These computers save data at real time, send queries to server and fetch reports at the same time. The banking theory is a very good example of a Wan network.
The benefits of a Wide area network are unlimited. You sit in one country, and the office in the other country is just like a room next door. You can share documents, reports, prints, query databases, crusade straight through thousands of records in just quick seconds, monitor distant location offices by using digital cameras and do much more. The advantages of a Wide area network are infinite; it is up to you what benefits you want to get using this technology; the sophistication obviously increases with the cost factor.
With many advantages of Wide area network, there are also some disadvantages associated, which though can be addressed by using latest technologies. On Wan, the protection is a big factor. When you connect on the internet using Live Ips, anyone can intrude in and hack your system. For this purpose, firewalls and routers securities are implemented, which absolutely come with on the price of thousands pounds. The latency duration on Wan is high, but it can also be addressed by taking high speed internet connections. To develop a Wide Area Network, the businesses and institutions need a lot of money, as technologies that make your network secure as well as serve your needs are very costly.
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