most of the latency related portions of flent use irtt, which I think is a lot more solid than anything else.
On Sat, Mar 27, 2021 at 2:44 PM Dave Taht <[email protected]> wrote: > > so glad to hear the license has been fixed. > > carl, iperf is only used in a few of flent's tests. We trusted netperf > - as did the linux kernel developers - a lot further than all the > iperf variants combined - at the time we started work on flent. > > I would not mind us somehow developing a drop in replacement for > netperf, perhaps leveraging the irtt codebase, as I have a long > standing desire to be able to reliably measure latencies and the > output of TCP_INFO in "some" tool below 250us. > > iperf has come a long way, but getting to where I could trust the > largely "academic" codebase it was would take a ton of benchmarking. > > On Sat, Mar 27, 2021 at 2:09 PM Klatsky, Carl via Bloat > <[email protected]> wrote: > > > > Toke, > > > > How you see this coming into Flent? My understanding is that for latency & > > load test like RRUL: > > > > -iperf provides the bandwidth portion > > -IRTT provides the latency portion, and if IRTT is not found, the test > > falls back to ICMP for the latency check > > > > Would netperf replace iperf for the bandwidth portion? Do you see it being > > used for the latency portion? > > > > Thanks, > > Carl > > > > -----Original Message----- > > From: Bloat <[email protected]> On Behalf Of Toke > > Høiland-Jørgensen via Bloat > > Sent: Friday, March 26, 2021 7:32 PM > > To: bloat <[email protected]> > > Subject: [Bloat] Netperf re-licensed as MIT > > > > Hopefully this means we can get it packaged for the distros that have thus > > far refused to because of the license - i.e., Debian and Fedora! > > > > -Toke > > _______________________________________________ > > Bloat mailing list > > [email protected] > > https://urldefense.com/v3/__https://lists.bufferbloat.net/listinfo/bloat__;!!CQl3mcHX2A!W_yWwnGSD6VuZvpn0BPv7Ta9GBP3f2dRWeJHPLS7RrrpBZ5gpyj5DZGnRYIfWVR5TXjR$ > > _______________________________________________ > > Bloat mailing list > > [email protected] > > https://lists.bufferbloat.net/listinfo/bloat > > > > -- > "For a successful technology, reality must take precedence over public > relations, for Mother Nature cannot be fooled" - Richard Feynman > > [email protected] <Dave Täht> CTO, TekLibre, LLC Tel: 1-831-435-0729 -- "For a successful technology, reality must take precedence over public relations, for Mother Nature cannot be fooled" - Richard Feynman [email protected] <Dave Täht> CTO, TekLibre, LLC Tel: 1-831-435-0729 _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat
