Internet service providers (ISPs), cloud providers and enterprises face a common problem. Distributed denial of service (DDoS) attacks are a major risk to service availability. The power, sophistication and frequency of DDoS attacks are rising. Data center operators and network providers need a defense that is effective, cost-efficient and easily managed. Arbor Networks TMS is advanced in DDoS protection. More and more service providers, cloud providers and large enterprises use TMS for DDoS mitigation.