Audience
Enterprises searching for an eBPF-based networking, observability, and security solution
About Cilium
Cilium is open-source software for providing, securing and observing network connectivity between container workloads, cloud native, and fueled by the revolutionary Kernel technology eBPF. Kubernetes doesn't come with an implementation of Load Balancing. This is usually left as an exercise for your cloud provider or in private cloud environments an exercise for your networking team. Cilium can attract this traffic with BGP and accelerate leveraging XDP and eBPF. Together these technologies provide a very robust and secure implementation of load balancing. Cilium and eBPF operate at the kernel layer. With this level of context, we can make intelligent decisions about how to connect different workloads whether on the same node or between clusters. With eBPF and XDP Cilium enables significant improvements in latency and performance and eliminates the need for Kube-proxy entirely.
Other Popular Alternatives & Related Software
KubeArmor
KubeArmor is a cloud-native runtime security enforcement engine designed for Kubernetes workloads, containers, and virtual machines. It leverages eBPF and Linux Security Modules (LSMs) like AppArmor and SELinux to preemptively harden workloads and prevent attacks without modifying pods or containers. KubeArmor enforces real-time policy-based controls on process behavior, file access, networking, and resource usage. It simplifies complex security settings by providing Kubernetes-native policy management and detailed policy violation logging. Installation is straightforward via Helm charts, and it integrates seamlessly with multiple cloud marketplaces. KubeArmor’s proactive inline mitigation approach improves security beyond traditional post-attack responses.
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Isovalent
Isovalent Cilium Enterprise enables cloud-native networking, security, and observability. Your cloud-native infrastructure, powered by eBPF. Connect, secure, and observe cloud-native applications in multi-cluster, multi-cloud environments. A highly scalable CNI and a multi-cluster networking solution that offers high-performance load balancing, advanced network policy management, etc. Shifting security to a process behavior instead of packet header enabling. Open source is at the core of Isovalent. We think, innovate, and breathe open source and are fully committed to the principles and values of open source communities. Request a personalized live demo with an Isovalent Cilium Enterprise expert. Engage with the Isovalent sales team to assess an enterprise-grade deployment of Cilium. Step through our interactive labs in a sandbox environment. Advanced application monitoring. Runtime security, transparent encryption, compliance monitoring, and CI/CD & GitOps integration.
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Tetragon
Tetragon is a flexible Kubernetes-aware security observability and runtime enforcement tool that applies policy and filtering directly with eBPF, allowing for reduced observation overhead, tracking of any process, and real-time enforcement of policies. eBPF enables deep observability with low-performance overhead, mitigating risks without the latency introduced by user-space processing. Tetragon extends Cilium's design by recognizing workload identities like namespace and pod metadata, surpassing traditional observability. It offers pre-defined policy libraries for rapid deployment and operational insight, reducing setup time and complexity at scale. Tetragon blocks malicious activities at the kernel level, closing the window for exploitation without succumbing to TOCTOU attack vectors. Synchronous monitoring, filtering, and enforcement are performed entirely within the kernel using eBPF.
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Project Calico
Calico is an open-source networking and network security solution for containers, virtual machines, and native host-based workloads. Calico supports a broad range of platforms including Kubernetes, OpenShift, Mirantis Kubernetes Engine (MKE), OpenStack, and bare metal services. Whether you opt to use Calico's eBPF data plane or Linux’s standard networking pipeline, Calico delivers blazing-fast performance with true cloud-native scalability. Calico provides developers and cluster operators with a consistent experience and set of capabilities whether running in the public cloud or on-prem, on a single node, or across a multi-thousand-node cluster. Calico gives you a choice of data planes, including a pure Linux eBPF data plane, a standard Linux networking data plane, and a Windows HNS data plane. Whether you prefer the cutting-edge features of eBPF or the familiarity of the standard primitives that existing system administrators already know, Calico has you covered.
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Cilium
cilium.io
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