eBPF-based networking and load balancing

Connect workloads across clusters, clouds, and premises.
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Diagram

Cloud native Networking

High Performance Networking (CNI)

Enabling network operators to abstract and manage the cloud native network, including on-prem integration with BGP and overlay networking compatible with Cloud SDNs.

Scalable Load Balancing and Ingress

Cilium brings a kube-proxy replacement for enhanced traffic management, enabling maglev-supported load balancing on L3/L4 for N/S traffic, but also E/W, including DSR and transparent k8s ingress controllers.

Multi-cluster Service Discovery

Seamlessly connect your kubernetes clusters together with Cluster Mesh while enabling cross-cluster service discovery.

On-prem Integration

Integrate external workloads with your data center and connect cloud native with legacy environments while supporting BGP.

Bandwidth and Latency Optimization

Optimize your bandwidth and latency with rate limiting and fair queuing. Rely on our TCP congestion control algorithm automization.

Multi cloud and Hybrid cloud

Cilium is designed to enable portability across multi-cloud and hybrid clouds and provide developers with observability and security.

Network Tap and Mirroring

Cilium allows network operators to mirror packets and collect PCAPs in a distributed environment, simplifying the integration with an existing IDS.

Transparent DNS Injection

Providing multi-cluster aware service discovery by transparently injecting DNS for filtering, authorizing, and adding caching services.

Advanced Network Analytics

Enabling a global view from workloads to the clusters running underneath them via real-time and advanced network analytics. Support troubleshooting with key metrics up to the protocol and error code level.

What our customers say

datadog
Cilium is a critical part of the Datadog network stack as it provides consistent Kubernetes networking across cloud providers as well as performant and secure communications, thanks to eBPF.
— Laurent Bernaille, Staff Engineer at Datadog, “Cilium joins CNCF as an incubating project”

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