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overlay network |
Also found in: Wikipedia | 0.18 sec. |
overlay networkA 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 for determining how files are distributed and accessed, which provides a layer on top of the Internet's IP addressing. A quality of service (QoS) system is also called an overlay network, because it uses an additional addressing mechanism that may change the route normally taken in the underlying network. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| com), which has established an overlay network by peering arrangements with many major backbones, along with a network operations center that monitors backbone conditions in real time and controls their customers' routing accordingly. Smith will disclose TippingPoint's vision for comprehensive network security via an overlay network model where attack control, application control, and access control are applied as an overlay to the existing network. Alternatively, they can deploy a separate overlay network of dedicated security sensors, which doubles equipment costs and substantially increases ongoing maintenance expenses. |
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