Microservices empower teams — but they also create chaos in service-to-service communication.
In 2025, I don’t hard-wire retries, timeouts, and TLS configs into every service. Instead, I let Istio + mTLS handle it:
✅ Encryption by default — every channel is trusted, no extra work in your code
✅ Fine-grained policies — only the right service can call the right target
✅ Observability out of the box — per-route metrics, retries, and latency at P95/P99
In my guide I share 3 real scenarios you can copy right away:
- Canary release with traffic splitting & retries 🎯
- Zero trust policy (only Profile can call Notifications) 🔒
- Safe external API access with ServiceEntry 🌍
👉 Read the full article to see configs, pitfalls, and a simple path to mTLS that feels like hygiene, not luxury.
https://medium.datadriveninvestor.com/why-mtls-in-2025-is-hygiene-not-luxury-set-it-up-in-n-minutes-and-move-on-d1e2d79b84b6
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