Submariner 0.17: Multi-Cluster Networking Enhancements
K8s Guru
2 min read
Table of Contents
Introduction
Submariner 0.17, released on September 25, 2024, advances multi-cluster networking with improved connectivity, enhanced security features, better performance, and expanded cloud provider support. This release makes connecting Kubernetes clusters across different environments easier and more secure.
Connectivity Improvements
- Tunnel performance enhancements reduce latency for cross-cluster communication.
- Connection management improvements provide better handling of network disruptions.
- Route propagation enhancements enable more efficient routing across clusters.
- Discovery improvements automatically discover services across connected clusters.
Security Enhancements
- Encryption improvements enhance WireGuard integration with automatic key rotation.
- Authentication enhancements provide better security for cross-cluster connections.
- Policy enforcement enables network policies to work across cluster boundaries.
- Audit logging tracks all cross-cluster network operations for compliance.
Performance Optimizations
- Latency reductions minimize the overhead of cross-cluster communication.
- Throughput improvements enable better handling of high-traffic cross-cluster workloads.
- Resource usage optimizations reduce CPU and memory consumption.
- Scaling improvements enable better handling of large numbers of connected clusters.
Cloud Provider Support
- AWS enhancements provide better integration with AWS networking services.
- GCP improvements enable better integration with Google Cloud networking.
- Azure support enhancements provide better integration with Azure networking.
- On-premises support enables connectivity for on-premises Kubernetes clusters.
Getting Started
# Install Submariner using subctl
subctl deploy-broker
subctl join broker-info.subm --clusterid cluster1 --natt=false
subctl join broker-info.subm --clusterid cluster2 --natt=false
Summary
| Aspect | Details |
|---|---|
| Release Date | September 25, 2024 |
| Headline Features | Connectivity improvements, security enhancements, performance optimizations, cloud provider support |
| Why it Matters | Delivers secure and efficient multi-cluster networking with enhanced connectivity and security |
Submariner 0.17 continues to simplify multi-cluster networking, providing teams with secure and efficient connectivity across Kubernetes clusters.