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Kubernetes Gateway API - Next-Generation Ingress & Load Balancing
The official Kubernetes project for evolving network APIs, providing expressive, extensible, and role-oriented interfaces for managing external access to services within a cluster, including ingress traffic and load balancing.
Go
Added on 2025年6月15日2,118
Stars548
ForksGo
LanguageProject Introduction
Summary
The Gateway API is an official Kubernetes project that aims to evolve Kubernetes networking APIs, offering a more expressive, extensible, and role-oriented alternative to the original Ingress API for managing external cluster access and load balancing.
Problem Solved
Existing Kubernetes Ingress APIs lack sufficient expressiveness and role separation for complex networking configurations. Gateway API addresses this by introducing a hierarchical structure and distinct roles (Infrastructure Provider, Cluster Operator, Application Developer), enabling more granular control and extensibility.
Core Features
Role-Oriented Resources
Separates concerns between infrastructure operators (GatewayClass, Gateway) and application developers (HTTPRoute, TCPRoute, etc.), enabling clear responsibilities.
Extensible Policy Attachment
Allows attaching policies (like authentication, rate limiting) to various levels of the API hierarchy using custom resources, promoting standardization.
Tech Stack
Kubernetes
Go
Controller Runtime
CRDs
使用场景
Gateway API is ideal for environments requiring flexible and robust control over ingress traffic and service load balancing, particularly in complex or multi-tenant clusters.
场景一：Advanced Traffic Routing for Microservices
Details
Application developers can define complex routing rules (header/path matching, weighting, traffic splitting for A/B tests/canaries) using standard Route resources, independent of the underlying infrastructure.
User Value
Enables rapid deployment of new application versions and sophisticated traffic management strategies with clear, declarative configurations.
场景二：Standardized Policy Enforcement by Operators
Details
Cluster operators can define and enforce security or operational policies (like mTLS, rate limiting, WAF integration) at the Gateway or Route level, ensuring consistency across applications without requiring developer intervention for infrastructure-level concerns.
User Value
Improves cluster security posture and operational consistency, simplifying compliance and management overhead for platform teams.
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