pure eBPF • Reuse the IPVS’s functionality and maturity • Many scheduling algorithms • Reuse IPVS timer to reclaim eBPF map • More efficient and secure • V.S Taobao IPVS SNAT patch • Bypass conntrack/iptables

Executor 高 中 低 线程池 Reactor epoll fd1 fd2 …. 结构化并发 优先级 deadline Async Sync Async IO Async Timer Parallel Calc 事件 到达 注 册 事 件 任务优先级调度 Task priority and quality of service 任务优先级调度 Linux CFS