Computers VPN As a Company Grows, It Essay

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Computers

VPN

As a company grows, it might increase to multiple shops or offices across the nation and around the world. In order to keep things running proficiently, the people working in those locations need a quick, secure and reliable way to share information across computer networks. In addition, travelling workers like salespeople need a regularly protected and reliable way to connect to their business's computer network from distant locations. One well-liked technology to achieve these goals is a VPN (virtual private network) (Tyson & Crawford, 2012).

Virtual Private Networking, or VPN, is a technology that lets people admission to their office's computer network over the Internet while at home or travelling. Entrance to a network in this way is referred to as remote access. VPN is most frequently put into practice by way of a router. Almost all small offices that share an Internet connection with more than one computer already have a router of some type, but most of them don't include VPN. Once the VPN router is in place, individual computers can be set up to join to it from outside the network. Depending on the router and the computers involved, one might need to install software on the computers that will use VPN. Sometimes computers have the capability to connect already built-in. Either way, once the hardware and software has been set up, the remote user can begin a VPN connection (Mutrux, 2008).

There are two common kinds of VPNs:

Remote-Access -- Also known as a Virtual Private Dial-up Network (VPDN), this is a user-to-LAN link used by a company that has workers who need to connect to the private network from a variety of remote sites.

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Characteristically, a corporation that wishes to set up a large remote-access VPN provides some form of Internet dial-up account to their users using an Internet service provider (ISP). The telecommuters can then dial an 800 number to reach the Internet and use their VPN client software to access the corporate network. A good instance of a company that needs a remote-access VPN would be a large company with hundreds of sales people in the field. Remote-access VPNs permit safe, encrypted connections between a company's private network and remote users through a third-party service provider.

Site-to-Site -- Through the use of devoted equipment and large-scale encryption, a company can link numerous fixed sites over a public network such as the Internet. Each site needs only a local connection to the same public network, thus saving money on long private leased-lines. "Site-to-site VPNs can be further classified into intranets or extranets. A site-to-site VPN built between offices of the same company is said to be an intranet VPN, while a VPN built to connect the company to its partner or customer is referred to as an extranet VPN" (How Virtual Private Networks Work, 2008).

Most VPNs rely on tunnelling to generate a private network that reaches across the Internet. Tunnelling is the procedure of placing a complete packet within another packet….....

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