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SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization by Jim Doherty

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34. Encryption in Virtual Networks

Companies that have adopted the cloud and software-defined networking (SDN) are finding that although they bring many benefits in terms of large financial savings and reduced network complexity, there is a downside when it comes to data security. The security challenges that the cloud and SDN present are formidable, and organizations should not be taking them lightly. Prior to the cloud and SDN, companies mostly moved and stored their data locally within their secure network-edge perimeters. However, recent IT trends such as cloud, mobility, and bring your own device (BYOD) have made the hard network perimeter a thing of the past. Networks now have myriad access points to secure, so it has become more practical ...

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