MoonGen: A Scriptable High-Speed Packet Generator
| Autor: | Emmerich, Paul, Gallenmüller, Sebastian, Raumer, Daniel, Wohlfart, Florian, Carle, Georg |
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| Rok vydání: | 2014 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1145/2815675.2815692 |
| Popis: | We present MoonGen, a flexible high-speed packet generator. It can saturate 10 GbE links with minimum sized packets using only a single CPU core by running on top of the packet processing framework DPDK. Linear multi-core scaling allows for even higher rates: We have tested MoonGen with up to 178.5 Mpps at 120 Gbit/s. We move the whole packet generation logic into user-controlled Lua scripts to achieve the highest possible flexibility. In addition, we utilize hardware features of Intel NICs that have not been used for packet generators previously. A key feature is the measurement of latency with sub-microsecond precision and accuracy by using hardware timestamping capabilities of modern commodity NICs. We address timing issues with software-based packet generators and apply methods to mitigate them with both hardware support on commodity NICs and with a novel method to control the inter-packet gap in software. Features that were previously only possible with hardware-based solutions are now provided by MoonGen on commodity hardware. MoonGen is available as free software under the MIT license at https://github.com/emmericp/MoonGen Comment: Published at IMC 2015 |
| Databáze: | arXiv |
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