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What Makes a well-designed VPN

October 28, 2011

A VPN's purpose is providing a secure and reliable private connection between computer networks over an existing public network, typically the Internet. Before looking at the technology that makes a VPN possible, let's consider all the benefits and features a business should expect in a VPN.

The Remote-access VPN

October 28, 2011

A remote-access VPN allows individual users to establish secure connections with a remote computer network. Those users can access the secure resources on that network as if they were directly plugged in to the network's servers. An example of a company that needs a remote-access VPN is a large firm with hundreds of salespeople in the field. Another name for this type of VPN is virtual private dial-up network (VPDN), acknowledging that in its earliest form, a remote-access VPN required dialing in to a server using an analog telephone system.

Cities and Municipalities for Wireless Mesh Networks

October 27, 2011

With wireless mesh networks, cities can connect citizens and public services over a widespread high-speed wireless connection.A growing number of downtown areas are installing public WiFi hotspots. Mesh networks allow cities to inexpensively and simply link all those hotspots together to cover the entire municipality.

How Home Networking Works

October 27, 2011

Once, home networks were primarily the realm of technophiles -- most families either didn't need or couldn't afford more than one computer. But now, in addition to using computers for e-mail, people use them for schoolwork, shopping, instant messaging, downloading music and videos, and playing games.

Building a Home Network

October 27, 2011

The two most popular home network types are wireless and Ethernet networks. In both of these types, the router does most of the work by directing the traffic between the connected devices. By connecting a router to your dial-up, DSL or cable modem, you can also allow multiple computers to share one connection to the Internet.

Ethernet and wireless networks

October 27, 2011

Ethernet and wireless networks each have advantages and disadvantages; depending on your needs, one may serve you better than the other. Wired networks provide users with plenty of security and the ability to move lots of data very quickly. Wired networks are typically faster than wireless networks, and they can be very affordable.

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