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Meitu’s Android DNS SDK combines LocalDNS and HTTP DNS in a hybrid strategy, transparently replaces the system resolver via reflection and native hooks, and dynamically switches to HTTP DNS on anomalies, cutting lookup latency by about 100 ms, boosting cache hit rates and overall request success while preventing DNS hijacking.
Meitu improves mobile app performance by combining HTTP DNS for critical domains with fallback LocalDNS, employing lazy cache updates and a non‑intrusive SDK that injects custom resolution via Java reflection and native ELF redirection, resulting in roughly 100 ms latency reduction and fewer unknown‑host errors.
This article details Meitu's comprehensive DNS optimization for Android apps, comparing LocalDNS and HTTP DNS, describing metric‑driven strategies, caching mechanisms, and a non‑intrusive SDK that works in both Java and native layers while handling HTTP, HTTPS, and SNI challenges.
This article explains the fundamentals of DNS, details the Qunar DNS architecture and its intelligent DNS, EDNS, and HTTP-DNS features, and describes how these technologies improve resolution speed, balance traffic, enable automatic failover, and prevent DNS hijacking.
This article details Alibaba Games' journey to achieve four‑nine reliability through a business‑focused high‑availability architecture, including system analysis, a four‑layer design, HTTP‑DNS client retry, service decoupling, multi‑active deployment, comprehensive monitoring, and measurable operational goals.