Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Jesper Dangaard Brouer
On Fri, 06 Nov 2020 18:04:49 +0100 "Thomas Rosenstein" wrote: > On 6 Nov 2020, at 15:13, Jesper Dangaard Brouer wrote: > > > On Fri, 6 Nov 2020 13:53:58 +0100 > > Jesper Dangaard Brouer wrote: > > > >> [...] > > Could this be related to netlink? I have gobgpd running on these > >>

Re: [Bloat] Comparing bufferbloat tests (was: We built a new bufferbloat test and keen for feedback)

2020-11-06 Thread Sebastian Moeller
Hi Toke, > Gesendet: Freitag, 06. November 2020 um 17:17 Uhr > Von: "Toke Høiland-Jørgensen via Bloat" > An: "Stephen Hemminger" , "Toke Høiland-Jørgensen > via Bloat" > Betreff: Re: [Bloat] Comparing bufferbloat tests (was: We built a new > bufferbloat test and keen for feedback) > > Stephen

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Thomas Rosenstein via Bloat
On 6 Nov 2020, at 15:13, Jesper Dangaard Brouer wrote: On Fri, 6 Nov 2020 13:53:58 +0100 Jesper Dangaard Brouer wrote: [...] Could this be related to netlink? I have gobgpd running on these routers, which injects routes via netlink. But the churn rate during the tests is very minimal, may

Re: [Bloat] Comparing bufferbloat tests (was: We built a new bufferbloat test and keen for feedback)

2020-11-06 Thread Toke Høiland-Jørgensen via Bloat
Stephen Hemminger writes: > PS: Why to US providers have such asymmetric bandwidth? Getting something > symmetric > requires going to a $$$ business rate. For Cable, the DOCSIS standard is asymmetric by design, but not *that* asymmetric. I *think* the rest is because providers have to assign ch

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Jesper Dangaard Brouer
On Fri, 6 Nov 2020 13:53:58 +0100 Jesper Dangaard Brouer wrote: > [...] > > > > > > Could this be related to netlink? I have gobgpd running on these > > > routers, which injects routes via netlink. > > > But the churn rate during the tests is very minimal, maybe 30 - 40 > > > routes every secon

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Jesper Dangaard Brouer
On Fri, 06 Nov 2020 12:45:31 +0100 Toke Høiland-Jørgensen wrote: > "Thomas Rosenstein" writes: > > > On 6 Nov 2020, at 12:18, Jesper Dangaard Brouer wrote: > > > >> On Fri, 06 Nov 2020 10:18:10 +0100 > >> "Thomas Rosenstein" wrote: > >> > > I just tested 5.9.4 seems to also fix it part

Re: [Bloat] We built a new bufferbloat test and keen for feedback

2020-11-06 Thread Sam
On 11/4/20 3:30 PM, Sam Westwood wrote: Hi everyone, My name is Sam and I'm the co-founder and COO of Waveform.com. At Waveform we provide equipment to help improve cell phone service, and being in the industry we've always been interested in all aspects of network connectivity. Bufferbloat f

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Thomas Rosenstein via Bloat
On 6 Nov 2020, at 12:45, Toke Høiland-Jørgensen wrote: "Thomas Rosenstein" writes: On 6 Nov 2020, at 12:18, Jesper Dangaard Brouer wrote: On Fri, 06 Nov 2020 10:18:10 +0100 "Thomas Rosenstein" wrote: I just tested 5.9.4 seems to also fix it partly, I have long stretches where it looks

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Toke Høiland-Jørgensen via Bloat
"Thomas Rosenstein" writes: > On 6 Nov 2020, at 12:18, Jesper Dangaard Brouer wrote: > >> On Fri, 06 Nov 2020 10:18:10 +0100 >> "Thomas Rosenstein" wrote: >> > I just tested 5.9.4 seems to also fix it partly, I have long > stretches where it looks good, and then some increases again. (3.

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Thomas Rosenstein via Bloat
On 6 Nov 2020, at 12:18, Jesper Dangaard Brouer wrote: On Fri, 06 Nov 2020 10:18:10 +0100 "Thomas Rosenstein" wrote: I just tested 5.9.4 seems to also fix it partly, I have long stretches where it looks good, and then some increases again. (3.10 Stock has them too, but not so high, rather 1

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Jesper Dangaard Brouer
On Fri, 06 Nov 2020 10:18:10 +0100 "Thomas Rosenstein" wrote: > >> I just tested 5.9.4 seems to also fix it partly, I have long > >> stretches where it looks good, and then some increases again. (3.10 > >> Stock has them too, but not so high, rather 1-3 ms) > >> That you have long stretches wher

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Jesper Dangaard Brouer
On Fri, 06 Nov 2020 09:48:46 +0100 "Thomas Rosenstein" wrote: > On 5 Nov 2020, at 14:33, Jesper Dangaard Brouer wrote: > > > On Thu, 05 Nov 2020 13:22:10 +0100 > > Thomas Rosenstein via Bloat wrote: > > > >> On 5 Nov 2020, at 12:21, Toke Høiland-Jørgensen wrote: > >> > >>> "Thomas Rosenstei

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Thomas Rosenstein via Bloat
On 5 Nov 2020, at 14:33, Jesper Dangaard Brouer wrote: On Thu, 05 Nov 2020 13:22:10 +0100 Thomas Rosenstein via Bloat wrote: On 5 Nov 2020, at 12:21, Toke Høiland-Jørgensen wrote: "Thomas Rosenstein" writes: If so, this sounds more like a driver issue, or maybe something to do with sch

Re: [Bloat] Router congestion, slow ping/ack times with kernel 5.4.60

2020-11-06 Thread Thomas Rosenstein via Bloat
On 5 Nov 2020, at 14:33, Jesper Dangaard Brouer wrote: On Thu, 05 Nov 2020 13:22:10 +0100 Thomas Rosenstein via Bloat wrote: On 5 Nov 2020, at 12:21, Toke Høiland-Jørgensen wrote: "Thomas Rosenstein" writes: If so, this sounds more like a driver issue, or maybe something to do with sch