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360 Quality & Efficiency
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
360 Quality & Efficiency
Feb 27, 2020 · Operations

Using tcpcopy for Online Traffic Redirection in Performance Testing

This guide explains how to install, configure, and run tcpcopy and its companion intercept tool to redirect live traffic for realistic pressure testing, including command examples, parameter details, Jenkins integration, and common troubleshooting steps.

JenkinsLinuxTraffic Redirection
0 likes · 6 min read
Using tcpcopy for Online Traffic Redirection in Performance Testing
Qunar Tech Salon
Qunar Tech Salon
Jun 4, 2015 · Backend Development

Implementing Service Traffic Replication with TCPCopy and DubboCopy

The article explains how TCPCopy can duplicate live TCP/UDP traffic for testing, describes the challenges of selective traffic copying, and details the design and implementation of DubboCopy—a Netty‑based proxy that lowers usage barriers, supports multi‑dimensional traffic selection, and monitors performance metrics with minimal resource overhead.

BackendDubboCopyNetty
0 likes · 8 min read
Implementing Service Traffic Replication with TCPCopy and DubboCopy