In November we released Envoy Mobile v0.2. In the accompanying blog post we detailed the features that the library supported and announced that we had replaced the networking libraries in Lyft’s alpha rider app with Envoy Mobile. In this blog post, I want to expand on the technical aspects of the v0.2 release and take a technical deep dive of Envoy Mobile’s current architecture.
Source: lyft.com
Service Mesh is the communication layer in a microservice setup. All requests, to and from each of the services go through the mesh. Also known as an infrastructure layer in a microservices setup, the service mesh makes communication between services reliable and secure.
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Envoy is a programmable L3/L4 and L7 proxy that powers today’s service mesh solutions including Istio, AWS App Mesh, Consul Connect, etc. At Envoy’s core lie several filters that provide a rich set of features for observing, securing, and routing network traffic to microservices. In these set of posts, we’ll have a look at the basics of Envoy filters and learn how to extend Envoy by implementing custom filters to create useful features!
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Reddit’s engineering team and product complexity has seen significant growth over the last three years. Facilitating that growth has taken a lot of behind-the-scenes evolution of Reddit’s backend infrastructure. One major component has been adopting a service-oriented architecture, and a significant facet of that has been evolving service-to-service discovery and communication.
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