Top Architect
May 24, 2023 · Backend Development
Design and Implementation of Full-Scale Message Push Using a Public Mailbox in Baidu's IM System
The article explains Baidu's need for low‑cost, high‑latency full‑user notifications, analyzes existing IM architecture limitations, introduces a public mailbox read‑expansion approach, compares three push strategies, and details the design, management, caching, tiered release, advantages, drawbacks, and real‑world applications of this solution.
backend architecturefull pushmessaging
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