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Iperf3
Jul 20, 2023
Improved tool to measure TCP and UDP bandwidth
iperf3 is a tool for measuring the achievable TCP, UDP, and SCTP throughput along a path between two hosts. It allows the tuning of various parameters such as socket buffer sizes and maximum attempted throughput. It reports among other things bandwidth, delay jitter, and datagram loss. iperf was originally developed by NLANR/DAST.
iperf3 is a new implementation developed from scratch at the Energy Sciences Network ESnet. Among its goals were a smaller, simpler code base compared to its predecessor, iperf2 and a library version of the functionality that can be used in other programs. Note that iperf3 does not interoperate with with iperf 2.x.
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