Challenges and Solutions in FlowSpec Implementation

This chapter explores the challenges faced in deploying FlowSpec, citing specific outages at CenturyLink and CloudFlare due to incorrect rule configurations. The importance of proper validation and testing of flow spec rules is emphasized to prevent network disruptions. Additionally, the chapter discusses the technical aspects of BGP FlowSpec, highlighting the benefits of its usage in mitigating DDoS attacks and recommending best practices for efficient implementation.