Network packets traveling along a glowing path representing a TLS 1.3 0-RTT handshake.

Inside TLS 1.3 Zero Round-Trip Resumption: Architecture, Trade-Offs, and Production Deployment

How TLS 1.3 0-RTT cuts handshake latency to a single round trip — and the replay, forward-secrecy, and operational trade-offs you need to understand before turning it on.

September 3, 2026 · 12 min · 2438 words · martinuke0
Feedback