ethr: Network Performance Measurement Tool for TCP, UDP & HTTP


Ethr is a cross-platform network performance measurement tool written in golang. The goal of this project is to provide a native tool for comprehensive network performance measurements of bandwidth, connections/s, packets/s, latency, loss & jitter, across multiple protocols such as TCP, UDP, HTTP, HTTPS, and across multiple platforms such as Windows, Linux and other Unix systems.

Ethr takes inspiration from existing open source network performance tools and builds upon those ideas. For Bandwidth measurement, it is similar to iPerf3, for TCP & UDP traffic. iPerf3 has many more options for doing such as throttled testing, richer feature set, while Ethr has support for multiple threads, that allows it to scale to 1024 or even higher number of connections, multiple clients communication to a single server etc. For latency measurements, it is similar to latte on Windows or sockperf on Linux.

Ethr provides more test measurements as compared to other tools, e.g. it provides measurements for bandwidth, connections/s, packets/s, latency, and TCP connection setup latency, all in a single tool. In the future, there are plans to add more features (hoping for others to contribute) as well as more protocol support to make it a comprehensive tool for network performance measurements.

Ethr is natively cross-platform, thanks to golang, as compared to compiling via an abstraction layer like Cygwin that may limit functionality. It hopes to unify performance measurement by combining the functionality of tools like iPerf3, ntttcp, psping, sockperf, and latte and offering a single tool across multiple platforms and multiple protocols.

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