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Comparing SidecarLess Service Mesh from Cilium and Istio Christian Posta, Solo.io

Service mesh is a powerful pattern for implementing strong zerotrust networking practices, introducing better network observability, and allowing for more finegrained traffic control. Up until now, the sidecar pattern was used to implement servicemesh capability but as the technology matures, a new pattern has emerged: sidecarless service mesh. Two prominent opensource networking projects, Cilium and Istio, have implemented a sidecarfree approach to service mesh but they both make interesting design decisions and tradeoffs. In this talk we review the architecture of both, focusing on the pros and cons of implementations such as mutual authentication, ingress, and observability.