Self-nominate • Lei (Harry) Zhang, Staff Engineer of Alibaba, Github: @resouer • Main contributor of Kubernetes main repo since 2015, 173+ commits merged in kube-scheduler & kubelet • Reviewer of SIG-Node (CRI, resource mgmt, CRI-shim) & SIG-scheduling (scheduling queue, perf tuning) • Co-maintaining CRI spec for KataContainers since 2017 • Speak of WG-multitenancy Deep Dive during KubeCon NA 2017

Alibaba in WG-multitenancy • Alibaba is investing WG-multitenancy as long term strategy • e.g. Virtual Cluster based multi-tenancy proposal

Hard Multi-tenancy in Alibaba • Two models, different multi-tenancy views, same resource isolation model • Intra Cluster - one super cluster to serve all tenants • Virtual Cluster - per tenant per virtual cluster • Solid use cases & products • Alibaba Serverless Kubernetes (public cloud product) • Alibaba Serverless Infrastructure (internal web-scale cluster)

Community • Contribute and engage in WG-multitenancy, move internal experience to community • Cooperate and organize to push both Intra Cluster & Virtual Cluster model to real practice and fix various issues including: • multi-tenancy view • multi-tenant Service & DNS • CNI & CSI implementation • sandboxed runtime • kubelet with tenant awareness