DDoS is a complex problem that represents a serious risk to the enterprise. Organizations need a strategy that keeps local connections up at the beginning of an attack, and then cleans the upstream traffic prior to it reaching the network. This report outlines the elements of an effective DDoS mitigation strategy, including:How to defend against network, application and cloud-level attacks;How to integrate DDoS. into an incident response strategy. How to integrate the strategy with incident response strategies? How to protect networks, applications, cloud and applications from DDoS attacks?”]
Source: https://www.bankinfosecurity.com/whitepapers/ddos-mitigation-strategy-two-phased-defense-w-822