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eBPF, Sidecars, and the Future of the Service Mesh

In this article, William Morgan, the CEO of Buoyant and one of the creators of the first service mesh, Linkerd, examines the potential of eBPF technology to replace Linkerds sidecar proxies entirely. He explains what eBPF is and its limitations, contrasts sidecars with other models from an operational and security standpoint, and lays out his conclusions on the future of the service mesh. The article also includes information on Linkerd and Cilium, popular choices for the CNI layer in Kubernetes clusters, and resources for further reading and learning. Overall, this insightful and informative article is a must-read for anyone interested in the service mesh, eBPF, and cloud native technology.