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
Today we are thrilled to announce the initial OSS preview release of Envoy Mobile, an iOS and Android client network library that brings the power of Envoy Proxy to mobile platforms. This is the beginning of a journey that we hope mobile developers around the industry will join us on. When Lyft originally announced Envoy in 2016, the project goal was simply stated as: The network should be transparent to applications.
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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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