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What is Linkerd?
Linkerd is a powerful open-source service mesh engineered for Kubernetes environments, enabling organizations to add robust security, deep observability, and advanced reliability to their clusters with minimal effort. Purpose-built for simplicity, Linkerd offers zero-configuration mutual TLS, real-time health metrics, and a minimalist, Kubernetes-native design that avoids unnecessary complexity and overhead.
Developed in Rust for optimal speed and safety, Linkerd enables latency-aware load balancing, cross-cluster failover, and diagnostics, making it ideal for teams seeking enterprise-grade resilience without enterprise-grade difficulty. As a project that has achieved CNCF graduation, Linkerd stands out for its security, performance, and production maturity.
Features
- Zero-Config Mutual TLS: Secure all on-cluster TCP communication without manual configuration.
- Instant Health Metrics: Real-time tracking of success rates, latencies, and request volumes per workload.
- Minimalist Kubernetes-Native Design: Simplifies deployment with minimal configuration and resources.
- Latency-Aware Load Balancing: Intelligent traffic distribution to optimize latency and resilience.
- Cross-Cluster Failover: Seamless failover between multiple clusters to ensure high availability.
- State-of-the-Art Rust Dataplane: Ultra-small, secure, and fast micro-proxy written in Rust.
- Comprehensive Diagnostics: Extensive tools for visibility and debugging.
- Incrementally Deployable: Self-contained control plane with easy integration into existing infrastructure.
Use Cases
- Securing internal communication in Kubernetes clusters with transparent mutual TLS.
- Reducing failed requests and improving reliability of microservices.
- Monitoring and tracing application health with real-time telemetry.
- Managing blue-green deployments and automated request retries.
- Optimizing cloud migration strategies with enhanced service mesh support.
- Enabling cross-cluster high-availability for large-scale applications.
- Offloading the complexity of managing custom networking security solutions.
- Improving developer productivity with simple, Kubernetes-native service mesh deployment.
FAQs
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Is Linkerd really free to use?
Yes, Linkerd is a 100% open-source project licensed for free use. -
What platforms does Linkerd support?
Linkerd is designed specifically for Kubernetes and integrates seamlessly with Kubernetes clusters. -
Does Linkerd require extensive Kubernetes configuration?
No, Linkerd features a minimalist and Kubernetes-native design, minimizing additional configuration requirements. -
What programming language is Linkerd written in?
Linkerd is written in Rust, focusing on security, speed, and robustness. -
What security features does Linkerd provide?
Linkerd offers zero-config mutual TLS and zero-trust policy to secure communication within the cluster.
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Linkerd Uptime Monitor
Average Uptime
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Average Response Time
113.25 ms
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