Distributed Denial of Services is one of the most dangerous attacking in the internet. DDoS not only to cause business interruption, system failures and other serious consequences to Internet users and service providers, but also a serious threat to the infrastructure of telecom operators.By introducing the attack technology and defense technology of DDoS,the limitations of the Commonly used network prevention,educt the Telecom-class protection solutions of DDoS. with the situation of ISP existing network, including Bonc network,MAN network and access network, Puts forward the hierarchy of zhe system, analyse the DDoS Attacks detection and analysis,flow transfering, calculate the capability of Traffic cleaning and platform architecture.Show the important function of the protection,including NTA(Network Traffic Analyst), ADS(Anti-DDoS)... |