Qunar Tech Salon
Jun 13, 2017 · Backend Development
Ensuring Reliable Message Delivery in QTalk Instant Messaging System
This article explains the principles behind QTalk, Qunar's internal instant messaging platform, and describes the mechanisms it uses—such as long‑connection management, message retry, server acknowledgments, and multi‑client synchronization—to achieve stable and reliable message delivery despite network challenges.
Backend DevelopmentInstant MessagingLong Connection
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