How Cisco IT Protects Against Distributed Denial of Service Attacks

Cisco IT uses a variety of techniques to protect the Cisco network from DDoS attacks. When the attacks originate from a broad range of spoofed addresses and target mission-critical servers, Cisco often uses Cisco Guard, which provides an added layer of protection. This case study describes Cisco IT's internal use of Cisco Guard within the Cisco global network, a leading-edge enterprise environment that is one of the largest and most complex in the world. Cisco customers can draw on Cisco IT's real-world experience in this area to help support similar enterprise needs.