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Ctrip Technology
Ctrip Technology
Apr 25, 2015 · Mobile Development

Mobile Development Network Performance Optimization Practices at Ctrip

The article details Ctrip's mobile app network architecture, common performance bottlenecks such as DNS, TCP, and payload issues, and presents six practical optimization techniques—including DNS caching, network‑quality detection, service prioritization, retry mechanisms, payload compression, and overseas CDN improvements—that collectively reduced latency by 150‑200 ms and raised service success rates above 99 %.

DNSHybridTCP
0 likes · 14 min read
Mobile Development Network Performance Optimization Practices at Ctrip
Qunar Tech Salon
Qunar Tech Salon
Mar 13, 2015 · Backend Development

Design and Optimization of Massive Push Services Using Netty

This article analyzes common push‑service questions, presents a real‑world IoT case of memory leakage, and outlines key design points—including kernel limits, CLOSE_WAIT handling, heartbeat configuration, buffer management, memory pooling, logging pitfalls, TCP tuning, and JVM settings—to build a scalable, stable Netty‑based push server for millions of concurrent connections.

Backend DevelopmentJavaNetty
0 likes · 24 min read
Design and Optimization of Massive Push Services Using Netty
Baidu Tech Salon
Baidu Tech Salon
Jul 8, 2014 · Information Security

Understanding TCP RST Attacks: From Handshakes to Exploiting Sequence Numbers

This article explains TCP fundamentals—including three‑way handshakes, sliding windows, and four‑way termination—then details how the RST flag works and how attackers can forge packets using source ports and sequence numbers to execute powerful RST denial‑of‑service attacks.

HandshakeRST attackSliding Window
0 likes · 9 min read
Understanding TCP RST Attacks: From Handshakes to Exploiting Sequence Numbers