Designing DNS for Availability and Resilience Against DDoS Attacks WHITE PAPER1 Designing DNS for Availability and Resilience Against DDoS Attacks Introduction Edge DNS provides organizations with an authoritative DNS service to connect end users with their websites and other applications. While much attention is paid to performance, organizations often overlook the importance of availability and resilience for DNS — especially against DDoS attacks that seek to disrupt the service and prevent end users from connecting. Akamai designed Edge DNS to remain available through the largest DDoS attacks, with unmatched global scale, a segmented IP Anycast architecture, and multiple DDoS controls, including the ability to leverage other Akamai services when necessary. O

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