Istio, mTLS and the OSI layer

I have been playing a lot with Istio and recently tested mTLS encryption. The test, which I describe in this post, really materialized the OSI layer in front of my eyes. which is always interesting how new stuff can dust off your old basic knowledge.

The entire concept of service mesh and Istio is exciting and revolutionary in my view… but just like any new groundbreaking tech, it takes a few cycles to realize how it manifests beyond the papers, blogs and theory, at least for me. So, as I usually do, I share my experiences on this blog and in my sessions with other in the thought that if I can help even one person understand it better I have achieved my goal.
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