DDoS Protection in the Cloud

Datetime:2016-08-22 21:39:01          Topic: DDOS           Share

Attacks based on the distributed denial of service (DDoS) model are, unfortunately, common practice, often used to extort protection money or sweep unwanted services off the web. Currently, such attacks can reach bandwidths of 300GBps or more. Admins usually defend themselves by securing the external borders of their own networks and listening for unusual traffic signatures on the gateways, but sometimes they fight attacks even farther outside the network – on the Internet provider's site – by diverting or blocking the attack before it overloads the line and paralyzes the victim's services.

In the case of cloud solutions and traditional hosting providers, the attackers and their victims often reside on the same network. Thanks to virtualization, they could even share the same computer core. In this article, I show you how to identify such scenarios and fight them off with software-defined networking (SDN) technologies.

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