Synthesizing Runtime Programmable Switch Updates

Explore a 15-minute conference talk from USENIX NSDI '23 that delves into the challenges and solutions for runtime programmable switch updates. Learn about FlexPlan, an innovative tool that uses program synthesis to generate safe and feasible step-by-step update plans for programmable switches. Discover how this approach ensures correctness at each transition state while adhering to user specifications and switch memory constraints. Gain insights into the novel, domain-specific techniques developed to scale this solution for large, real-world programs with significant changes. Understand the importance of this research in the context of the rapid growth of programmable switch applications and the need for formal verification techniques in network behavior assurance.