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Kubernetes Gateway API: Next-Gen Traffic Management Beyond Ingress

Kubernetes Gateway API: Next-Gen Traffic Management Beyond Ingress

Paperback

NetworkingComputer SecuritySystem Administration

ISBN13: 9798896653684
Publisher: Nobletrex Press
Published: Jun 24 2026
Pages: 246
Weight: 0.74
Height: 0.52 Width: 6.00 Depth: 9.00
Language: English

Kubernetes Gateway API: Next-Gen Traffic Management Beyond Ingress

Kubernetes traffic management has outgrown the Ingress era: today's clusters need explicit ownership boundaries, safer multi-team workflows, and routing semantics you can reason about under change. This book is written for experienced Kubernetes platform and networking engineers who already operate production clusters and want a clearer, more portable way to model north-south and edge traffic than annotation-driven controller folklore.

You'll build a first-principles mental model of how controllers actually program Services, EndpointSlices, and load balancers, then step into the Gateway API's role-separated architecture: GatewayClass, Gateway, Routes, and attachable Policies. Deep dives cover listener constraints and multi-tenant attachment rules, cross-namespace security with ReferenceGrant, and HTTPRoute as a precise L7 language for deterministic matching, traffic splitting, and progressive delivery. Beyond HTTP, you'll learn decision criteria for gRPC/TCP/TLS/UDP routing and how to choose between TLS termination and passthrough with operable certificate rotation patterns.

Operationally, the book emphasizes status-driven troubleshooting, a repeatable triage playbook from attachment to backend health, and gateway-layer observability for attribution and rollout validation. It also provides a pragmatic migration path from Ingress-inventory, translation, and phased cutovers-grounded in conformance and compatibility realities across implementations.

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