Enhancing Network Flexibility: Amazon EKS and Cilium Bring Advanced Connectivity to Hybrid Environments
Seattle, WA – August 13, 2025 – Amazon Web Services (AWS) today announced a significant enhancement to its managed Kubernetes service, Amazon Elastic Kubernetes Service (EKS), with expanded support for Cilium on EKS hybrid nodes. This advancement provides customers with greater flexibility and power in managing their containerized workloads across both AWS and on-premises environments, leveraging Cilium’s advanced networking and security capabilities.
The announcement, published on August 13, 2025, at 17:00 PST, marks a key milestone in AWS’s commitment to providing robust and adaptable solutions for modern cloud-native deployments. By integrating Cilium more deeply with EKS hybrid nodes, organizations can now benefit from a unified and highly performant networking and security model, regardless of where their Kubernetes clusters are deployed.
Cilium, an open-source project, utilizes eBPF (extended Berkeley Packet Filter) technology to provide networking, observability, and security for distributed application environments. Its integration with EKS hybrid nodes allows customers to extend the advanced features of Cilium, such as efficient network policy enforcement, transparent encryption, and deep observability, to their on-premises Kubernetes deployments managed by EKS.
This expanded support is particularly valuable for organizations embracing a hybrid cloud strategy. These businesses often have workloads that must remain on-premises due to regulatory compliance, data sovereignty requirements, or existing infrastructure investments, while still seeking the agility and scalability benefits of cloud-native technologies. With this update, EKS hybrid nodes, when combined with Cilium, can offer a consistent and powerful networking experience across these disparate environments.
Key Benefits of Expanded Cilium Support for EKS Hybrid Nodes include:
- Unified Networking and Security Policies: Customers can define and enforce consistent network policies across both cloud and on-premises nodes, simplifying management and improving security posture. This means that the same security rules and network configurations can be applied universally, reducing the risk of misconfiguration and enhancing overall security.
- Enhanced Performance and Efficiency: Leveraging eBPF, Cilium offers a highly efficient data path for network traffic, leading to improved performance and reduced overhead for containerized applications. This is especially crucial in hybrid environments where network latency and throughput are critical considerations.
- Improved Observability: Cilium provides rich insights into network traffic and application behavior, enabling deeper understanding and faster troubleshooting of issues. This enhanced visibility is invaluable for diagnosing performance bottlenecks and security incidents in complex hybrid deployments.
- Simplified Hybrid Management: By offering a consistent control plane and networking model, this integration simplifies the operational overhead associated with managing hybrid Kubernetes environments. This allows teams to focus more on application development and less on intricate infrastructure management.
- Seamless Workload Migration: The unified approach facilitated by Cilium on EKS hybrid nodes can also streamline the process of migrating workloads between on-premises data centers and AWS, offering greater flexibility and business agility.
This development underscores AWS’s dedication to empowering its customers with the tools they need to build and manage sophisticated cloud-native applications in any environment. The expanded support for Cilium on EKS hybrid nodes represents a significant step forward in realizing the full potential of hybrid cloud for modern enterprises. Customers can now explore these enhanced capabilities to build more resilient, secure, and performant distributed systems.
Announcing expanded support for Cilium with Amazon EKS Hybrid Nodes
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