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360 Quality & Efficiency

Nov 11, 2022 · Operations

Understanding TCPCopy: Architecture, Core Principles, and Performance

This article introduces the open‑source traffic‑replay tool TCPCopy, explains its 1.0 architecture—including the tcpcopy and intercept components—covers its packet‑capture and injection methods (raw socket vs pcap), TCP state handling, routing challenges, intercept role, and performance characteristics, providing practical insights for backend testing and operations.

backend operationsnetwork testingpcap

0 likes · 9 min read

Understanding TCPCopy: Architecture, Core Principles, and Performance

360 Quality & Efficiency

Mar 1, 2018 · Operations

Using Node.js to Convert PCAP Files to HAR Format for H5 Performance Testing

This article explains how to capture network traffic with tcpdump, parse the resulting PCAP file using Node.js (node‑pcap), extract HTTP request/response data and timing information, and convert it into HAR format for detailed H5 performance analysis.

harnetwork analysisnodejs

0 likes · 6 min read

Using Node.js to Convert PCAP Files to HAR Format for H5 Performance Testing