Technology · Ebook

KubeSlice: Multi-Cluster Application Slices for Kubernetes

by Shriira Press

KubeSlice, an open-source project from Avesha now in the CNCF Sandbox, solves a problem that grows sharper the moment one Kubernetes cluster is no longer enough: how do pods and services in different clusters, clouds, and edge sites talk to each other securely without rewiring everyone's networking by hand? Its answer is the slice — a flat, encrypted Layer 3 overlay network spanning a chosen set of namespaces across many clusters, so pods on it behave as if they shared one network while everything outside stays isolated. This book builds the whole system: the controller cluster and worker operators, the VPN slice gateways and Network Service Mesh data plane, namespace onboarding and isolation, cross-cluster service discovery, QoS, projects, and RBAC.

Contents

1. 1Preface
2. 2Chapter 1 — What KubeSlice Is
3. 3Chapter 2 — Slices and the Overlay Network
4. 4Chapter 3 — Architecture: Controller and Workers
5. 5Chapter 4 — Slice Gateways and the Data Plane
6. 6Chapter 5 — Namespaces and Isolation
7. 7Chapter 6 — Service Discovery Across Clusters
8. 8Chapter 7 — QoS, Projects, and RBAC
9. 9Chapter 8 — KubeSlice in Practice