Linkerd

1. Overview and Architecture

   Control plane, ultralight Rust data-plane proxy and design philosophy.

2. Proxy Injection

   Adding the sidecar proxy to workloads via annotation.

3. Automatic mTLS

   Identity, certificates and encrypted pod-to-pod traffic.

4. Load Balancing

   Request-level EWMA load balancing and protocol handling.

5. Retries and Timeouts

   Configuring retries and timeouts per route.

6. Traffic Splitting

   Canary and blue/green traffic shifting.

7. Authorization Policy

   Server, authorization policy and policy resources.

8. Telemetry and Metrics

   Golden metrics, tap and the viz extension.

9. Multi-cluster Communication

   Cross-cluster service mirroring.

10. High Availability

    HA control plane configuration.

11. Protocol Detection

    Automatic protocol detection and opaque ports.

12. Upgrading and Installation

    Installing Linkerd with CLI or Helm and certificate rotation.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.