Announcing MCP Toolbox Java SDK v1.0: Agentic data access for the enterprise
cloud.google.com·6d ago
Cloud & Infrastructure
Google Cloud Blog·Aug 10·5 min read
ClusterNetworkPolicy in GKE: Balancing control and autonomy for your microservices
TL;DR
ClusterNetworkPolicy in Google Kubernetes Engine (GKE) enhances network security by allowing developers to manage microservice communication while maintaining compliance and security controls. This tool addresses the limitations of standard Kubernetes NetworkPolicy, which is confined to single namespaces.
✦ Why It Matters
Start using ClusterNetworkPolicy today to enhance your Kubernetes network security while empowering developers.
Key Takeaways
- Implement CNP for centralized network security management.
- Use the admin tier to enforce critical security policies.
- Leverage the baseline tier for a zero-trust posture.
- Enable developers to manage their own namespace policies.
How It Works
ClusterNetworkPolicy employs a hierarchical tier system for policy evaluation. The admin tier has the highest precedence, allowing security teams to enforce global rules.
The network policy tier is where developers can define their application-specific policies, while the baseline tier sets default behaviors. This structure resolves conflicts by allowing a clear, top-to-bottom evaluation of rules, ensuring compliance without hindering developer autonomy.