High Availability Architecture
Oct 22, 2019 · Backend Development
Ensuring In-Order Delivery of IM Messages: Causes and Solutions
This article analyzes why instant‑messaging (IM) messages can arrive out of order due to time discrepancies, network behavior, and multithreading, and proposes a comprehensive design using global sequence numbers, channel‑aware routing, client‑side caching, and ACK‑based flow control to guarantee ordered delivery.
IMNetworkbackend
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