<h1>Linkerd 2.17 Update: Enhancing Resilience with Federated Services and Rate Limiting</h1>
<p>Buoyant has rolled out an update to Linkerd, bringing the service mesh to version 2.17. This version introduces significant features aimed at improving the resilience and manageability of applications running across Kubernetes clusters. Key enhancements in Linkerd 2.17 include the ability to federate services across multiple Kubernetes clusters into a single logical service, as well as new rate-limiting capabilities to manage traffic effectively.</p>
<h2>Federated Services</h2>
<p>With federated services, Linkerd 2.17 allows for a seamless combination of services distributed across different Kubernetes clusters. This feature increases the resilience of applications by ensuring that services can communicate reliably, even in complex, multi-cluster environments. As organizations continue to adopt platform engineering to manage infrastructure and DevOps workflows, the need for such robust solutions becomes increasingly apparent.</p>
<h2>Rate Limiting and Egress Traffic Control</h2>
<p>The new rate-limiting capabilities introduced in Linkerd 2.17 provide administrators with enhanced control over the flow of traffic within the service mesh. This is complemented by improved visibility and management of egress traffic, ensuring that requests leaving the Kubernetes clusters are monitored and controlled effectively. These features support the implementation of zero-trust IT policies without necessitating changes to the application code, making them both powerful and user-friendly.</p>
<h2>Improved Observability with OpenTelemetry</h2>
<p>In addition to these new features, Linkerd 2.17 supports OpenTelemetry for distributed tracing, providing better visibility into the service mesh’s operations. This integration helps in monitoring the performance and health of services, making it easier to diagnose and resolve issues promptly.</p>
<h2>Growing Importance of Service Meshes</h2>
<p>As the deployment of Kubernetes clusters continues to rise, the use of service meshes like Linkerd becomes essential for managing traffic and ensuring application resilience. The trend towards large-scale multicluster deployments further underscores the importance of innovative features like those introduced in version 2.17.</p>
<p>Buoyant’s latest update keeps Linkerd in alignment with its core principles of simplicity and ease of configuration, promising a smooth user experience even as the service mesh’s capabilities expand. The announcement of Linkerd Day at KubeCon London also highlights the ongoing commitment to community engagement and knowledge sharing within the Kubernetes and Linkerd ecosystems.</p>


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Buoyant has released Linkerd version 2.17, which introduces federated services and rate limiting to enhance the resilience and manageability of applications across Kubernetes clusters. The update also includes support for OpenTelemetry for better observability and performance monitoring. These features ensure reliable communication between services, effective traffic management, and improved visibility in multicluster environments.