03 梁存铭-分会场-2020中国云网络峰会-云原生挑战机遇.pdf

Cloud Native, Opportunities and Challenges of Networking 选 精 告 报 议 会 1 2 0 2 Cloud Native – it’s about hyperscale 选 Cloud native technologies empower organizations to build and run scalable applications in modern, dynamic environments such as public, private, and hybrid 精 clouds. Containers, service meshes, microservices, immutable infrastructure, and declarative APIs exemplify this approach. -- CNCF Cloud Native Definition 1.0 告 报 议decomposition 会 1 2 0 category 2 pets-vs-cattle replication Non-trivial overhead of container network • Kernel network is the major network 选 infrastructure for containers 精 • It’s in the same situation even worse 告 for microVM based containers like firecracker and gvisor 报 • However, it’s quite heavy and not 议 scaling well from various reasons • IRQs, softirq contexts and user- 会 1 space processes 2 • Doing RSS/RPS wrongly 0 • etc. 2 /system/files/hotcloud19-paper-lei.pdf Micro-s