Choosing a service mesh
The service mesh concept is relatively new, but there are already many choices out there. Here is a concise review of the current cohort of service meshes.
Envoy
Envoy (https://www.envoyproxy.io/) is yet another CNCF graduated project. It is a very versatile and high-performance L7 proxy. It provides many service mesh capabilities, but it is considered pretty low-level and difficult to configure. It is also not Kubernetes-specific. Some of the Kubernetes service meshes use Envoy as the underlying data plane and provide a Kubernetes-native control plane to configure and interact with it. If you want to use Envoy directly on Kubernetes, then the recommendation is to use another open source projects like Ambassador or Gloo as an Ingress controller and/or API gateway.
Linkerd 2
Linkerd 2 (https://linkerd.io/) is a Kubernetes-specific service, as well as a CNCF incubating project. It is developed by Buoyant (https://buoyant.io/). Buoyant coined...