Sep 18, 2026 · Backend Development

Container Routing: Why the Same Agent Lands in Different Containers

This article details a four-step container routing mechanism (authentication, permission, routing, resolution) for an Agent platform, explaining how requests reach different container forms based on identity and instance health, and why distinguishing hard vs soft failures is critical for debugging.

agent platformauthenticationauthorization

0 likes · 27 min read

Container Routing: Why the Same Agent Lands in Different Containers

High Availability Architecture

Jul 1, 2016 · Backend Development

High‑Availability Design and Optimizations of Didi’s Passport Authentication Service

This article details Didi’s Passport authentication system architecture, describing how language migration, service decomposition, flexible ticket and SMS code designs, multi‑region active‑active deployment, an independent Argus access‑control layer, and interface splitting together achieve high availability and low latency under extreme traffic peaks.

Ticketauthenticationdistributed-systems

0 likes · 18 min read

High‑Availability Design and Optimizations of Didi’s Passport Authentication Service