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iperf2
Description of Iperf on TCP port 4662 under linux with an FTTH connection.
Developer(s)
Robert McMahon, Battu Kaushik, Tim Auckland
Stable release
2.1.9[1]
/ March 14, 2023 (2023-03-14)
Repository
sf.net/p/iperf2/code/
Written in
C
Operating system
Cross-platform
License
BSD license
Website
sf.net/projects/iperf2/
iperf3
Stable release
3.16
/ December 1, 2023 (2023-12-01)
Repository
github.com/esnet/iperf
Written in
C
Operating system
Cross-platform
License
BSD license
Website
software.es.net/iperf/
iperf, Iperf, or iPerf, is a tool for network performance measurement and tuning. It is a cross-platform tool that can produce standardized performance measurements for any network. iperf has client and server functionality, and can create data streams to measure the throughput between the two ends in one or both directions.[2] Typical iperf output contains a time-stamped report of the amount of data transferred and the throughput measured.
The data streams can be either Transmission Control Protocol (TCP) or User Datagram Protocol (UDP):
UDP: When used for testing UDP capacity, iperf allows the user to specify the datagram size and provides results for the datagram throughput and the packet loss.
TCP: When used for testing TCP capacity, iperf measures the throughput of the payload. iperf uses 1024 × 1024 for mebibytes and 1000 × 1000 for megabytes.
iperf is open-source software written in C, and it runs on various platforms including Linux, Unix and Windows (either natively or inside Cygwin[3]). The availability of the source code enables the user to scrutinize the measurement methodology.
iperf is a compatible reimplementation of the ttcp program that was developed at the National Center for Supercomputing Applications at the University of Illinois by the Distributed Applications Support Team (DAST) of the National Laboratory for Applied Network Research (NLANR),[4] which was shut down on December 31, 2006, on termination of funding by the United States National Science Foundation.
^"Iperf 2 - Browse Files". SourceForge.net.
^"iPerf - The TCP, UDP and SCTP network bandwidth measurement tool". Retrieved 21 January 2021.
^"Cygwin iperf Package".
^"NLANR/DAST : Iperf - The TCP/UDP Bandwidth Measurement Tool". 2005. Archived from the original on 2008-10-12.
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--project=<GCP project ID> --benchmarks=iperf --machine_type=f1-micro Example run on AWS $ ./pkb.py --cloud=AWS --benchmarks=iperf --machine_type=t1.micro Example...
measurement in a testbed network, using a network traffic generator such as iperf. The traffic generator sends dummy packets, often with a unique packet identifier...
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shown improvements as they converted from satellite to terrestrial links. Iperf Network operations center PerfSONAR Matthews, W.; Cottrell, L. (2000). "The...
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