Overlay networks consist of a series of virtual or physical computers layered on top of an existing network. The purpose of the overlay network is to add missing functionality without a complete ...

One way to ensure the security of business transactions, customer data and intellectual property is to use IPSec to provide data encryption and authentication services. However, the management of ...

With telecommunications carriers failing, merging, pulling out of certain markets and letting service (or talent) deteriorate, this is a tough time to be a corporate network manager. It seems like ...

A logical network that runs on top of another network. For example, peer-to-peer networks are overlay networks on the Internet. They use their own addressing system to determine how files are ...