On 06/01/2017, Jonathan Morton wrote:
>
>> On 5 Jan, 2017, at 20:46, Dave Taht wrote:
>>
>> Probably the most unfortunate name chosen for a car, since the nova, given
>> the number of emissions from the mirai botnet.
>
> “Mirai” simply means “future” in Japanese. It’s also a reasonably pretty
>
On Wednesday, 21 September 2016 20:25:32 UTC+1, Dave Taht wrote:
>
> > Looking at cake_flowblind_noecn, BBR1 and BBR4 just kills both CUBIC
> flows.
> > Same with PIE.
>
> Yep. The single queue AQMs expect their induced drops to matter to all
> flows. BBR disregards them as noise. I think there
On 20/09/2016, dpr...@reed.com wrote:
> I constantly see the claim that >50% of transmitted data on the Internet are
> streaming TV. However, the source seems to be as hard to nail down as the
> original claim that >50% of Internet traffic was pirated music being sent
> over bittorrent.
uh, ibid.
On 21/09/16 13:40, Mikael Abrahamsson wrote:
On Wed, 21 Sep 2016, Dave Taht wrote:
* It seriously outcompetes cubic, particularly on the single queue
aqms. fq_codel is fine. I need to take apart the captures to see how
well it is behaving in this case. My general hope was that with fq in
plac
On 21/09/2016, Mikael Abrahamsson wrote:
> On Wed, 21 Sep 2016, Dave Taht wrote:
>
>> I dunno, I'm just reading tea leaves here!
>>
>> can't wait for the paper!
>
> +1.
>
> I would like to understand how BBR interacts with a window-fully-open
> classic TCP session and FIFO induced delay that is in
On 21/09/16 10:39, Dave Taht wrote:
On Wed, Sep 21, 2016 at 2:06 AM, Alan Jenkins
wrote:
are we sure - that's a fairly different algorithm and different expansion of
the acronym...
Yes it is very different,
My cryptic conclusion was a common group of names were involved in both
pro
On 17/09/16 19:53, Dave Taht wrote:
BBR is pretty awesome, and it's one of the reasons why I stopped
sweating inbound rate limiting + fq_codel as much as I used to. I have
a blog entry pending on this but wasn't expecting the code to be
released before the paper was... and all I had to go on til
On 20/09/16 21:27, dpr...@reed.com wrote:
I constantly see the claim that >50% of transmitted data on the Internet are
streaming TV. However, the source seems to be as hard to nail down
I don't think the source is hard to identify. It's Sandvine press
releases. That's what the periodic stor
On 11/06/16 18:44, Dave Taht wrote:
happy to see cake working today! thx all!
In https://github.com/dtaht/ceropackages-3.10:
The principal problem with fdisk nowadays is that very large (> 2TB, I
think) devices are not supported by it, and require a GPT capable
tool. Is there a replacement in le
On 23/04/2016, Dave Taht wrote:
> I have it built and running 16.04 off of the msata card now. :woot:
>
> last major trick - always install openssl-server before rebooting.
>
> (I haven't figured out how to make systemd do a serial console either, yet).
Huh, it's supposed to just work, following
On 11/03/2016, Jonathan Morton wrote:
>
>> On 11 Mar, 2016, at 20:22, Luis E. Garcia wrote:
>>
>> Time to start building our own.
>
> A big project in itself - but perhaps a worthwhile one. We wouldn’t be able
> to compete on price against the Taiwanese horde, but price is not the only
> market
On 04/03/2016, Dave Täht wrote:
> I am A) still fiddling with alternate web site generators and B) just
> finished writing up (grousing) about all the hardware I just tried to
> make work.
>
> http://the-edge.taht.net/post/hardware_from_hell/
>
> I am about to tear apart the dual ethernet nuc we d
On 20/01/16 15:04, dpr...@reed.com wrote:
http://arstechnica.com/gadgets/2016/01/numbers-dont-lie-its-time-to-build-your-own-router/
Definitely a missed opportunity :), many of those nice fast connections
are unfortunately over-buffered.
I think it's interesting in its own right. The 10kB
On 18/01/2016, Dave Täht wrote:
> One of my issues with blindly applying techniques to block certain IPs
> is trusting the sources of the data - many people have ended up on a
> blocklist that shouldn't have.
>
> That said, ipset is so effective and so scalable, that perhaps deploying
> this by de
On 18/01/2016, Valent Turkovic wrote:
> @everybody any ideas how to tweak current "simple.qos" and
> "simplest.qos" scripts in OpenWrt for 3G and fiber optics? On fiber
> optic connection idle latency is around 30ms and on 3G connection is
> around 60ms, do I need to change 5ms default in fq_code
On 18/12/2015, Eric S. Johansson wrote:
> my attention drifted and I lost track of which path I should take to
> implement bufferbloat remediation (fq_codl+cake?). link is FIOS 25/25
> Mbps. I have a wndr 3800 on the shelf I can use. is there a better
> device, cerowrt or openwrt?
>
> I need a
On 23/10/2015, Richard Smith wrote:
> I have a shiny new Linksys WRT1900ACS to test.
>
> I thought it might be nice to start with some comparisons of factory
> firmware vs OpenWRT with sqm enabled.
>
> So I built and installed an openwrt trunk but the results were very
> non-impressive. Rrul test
On 01/08/15 00:56, Rich Brown wrote:
Folks,
I would like some suggestions for debugging a problem I have with CeroWrt.
I have deployed CeroWrt 3.10.50-1 on two WNDR3800's at a hospitality business
nearby. These routers have worked fine in my house in the past. WNDR3800 #1
talks to my DSL mode
On 23/07/15 08:44, Jonathan Morton wrote:
Link to the spec?
- Jonathan Morton
https://datatracker.ietf.org/doc/draft-szigeti-tsvwg-ieee-802-11e/
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(in msec, 62 pings, 0.00% packet loss)
Min: 22.975
10pct: 195.473
Median: 281.756
Avg: 271.609
90pct: 342.130
Max: 398.573
On 10/07/15 16:19, Alan Jenkins wrote:
I'm glad to hear there's a working version (even if it's not in
the current build :).
ner.sh -H netperf-eu.bufferbloat.net -p
80.44.96.1
2015-07-10 19:20:18 Testing netperf-eu.bufferbloat.net (ipv4) with 4
streams down and up while pinging 80.44.96.1. Takes about 60 seconds.
Download: 6.56 Mbps
Upload: 0.59 Mbps
Latency: (in msec, 62 pings, 0.00% packet loss)
Min: 22.975
On 10/07/15 19:25, Fred Stratton wrote:
By your command
Rebooted to rerun qdisc script, rather than changing qdiscs from the
command-line, so suboptimal process as end-point changed.
Assuming you use sqm-scripts, you can restart SQM manually.
"/etc/init.d/sqm restart".
_
On 10/07/15 16:16, Rich Brown wrote:
Hi Fred,
I'm not familiar with "lupin undeclared" - could you send a pointer/link?
Thanks.
Rich
The unversioned testing build Dave posted at
http://snapon.lab.bufferbloat.net/~cero3/lupin/ar71xx/
which is not declared on the CeroWrt homepage. (Presumab
I'm glad to hear there's a working version (even if it's not in the
current build :).
Do you have measurable improvements with overhead configured (v.s.
unconfigured)?
I've used netperfrunner from CeroWrtScripts, e.g.
sh netperfrunner.sh -H netperf-eu.bufferbloat.net -p $ISP_ROUTER
I beli
On 20/06/15 12:00, Jonathan Morton wrote:
I can probably glean more information from "tc -s qdisc".
However, my hypothesis is still that the version of cake you have is
old, while the version of tc that you have is newer.
- Jonathan Morton
Hi
I missed that, thanks. (Error checking in qd
On 19/06/2015, Dave Taht wrote:
> Fresh bits! Get your fresh bits here! (totally untested)
>
> http://snapon.lab.bufferbloat.net/~cero3/lupin/ar71xx/
Good news: it lives! Yum, fresh bits.
So now I can update and install packages. Including tc-adv. It looks
like it was overriding tc already th
ng to travel extensively.
On Fri, Jun 19, 2015 at 1:40 PM, Alan Jenkins
wrote:
On 19/06/15 21:12, Dave Taht wrote:
re: keywords: it may be that the tc-adv package is not correctly
overriding the tc package. Sigh.
try a opkg update; opkg remove tc-adv; opkg install tc-adv and see if
you get the
On 19/06/15 21:12, Dave Taht wrote:
re: keywords: it may be that the tc-adv package is not correctly
overriding the tc package. Sigh.
try a opkg update; opkg remove tc-adv; opkg install tc-adv and see if
you get the keywords.
Or I screwed up and the box is running the previous build?
$ ssh ro
On 19/06/2015, Sebastian Moeller wrote:
> Hi Alan,
>
> excellent, thanks a million.
>
> On Jun 19, 2015, at 16:44 , Alan Jenkins
> wrote:
>
>> Hi
>>
>> I guess I've done the complementary half to Seb's test :). Basically
>> "cake ov
Hi
I guess I've done the complementary half to Seb's test :). Basically
"cake overhead 40" didn't work, but that's the fault of cake in this
build. Or tc, as Johnathan suggested. (The "cake atm" part seems to
work, as per my previous test).
"tc qdisc" says "cake overhead 0", as Sebastian notic
On 14/06/15 20:47, Sebastian Moeller wrote:
On Jun 14, 2015, at 21:32 , Alan Jenkins
wrote:
On 14/06/15 17:09, Dave Taht wrote:
[...]
Patches gladly accepted (tc-adv now does parse the new keywords I
think)
Yes to both. I'd already tested "cake atm" + "stab overhea
On 14/06/15 17:09, Dave Taht wrote:
On Sun, Jun 14, 2015 at 8:53 AM, Alan Jenkins
wrote:
On 13/06/2015, Dave Taht wrote:
Hopefully, by creating a "tc-adv" package (now in ceropackages) we are
nearly at the last step for being able to do builds out of the main
openwrt tree. I am puz
On 13/06/2015, Dave Taht wrote:
> Hopefully, by creating a "tc-adv" package (now in ceropackages) we are
> nearly at the last step for being able to do builds out of the main
> openwrt tree. I am puzzled as to how to correctly override the default
> "tc" package, but at least this built and worked
On 12/06/15 15:35, Daniel Havey wrote:
On Fri, Jun 12, 2015 at 6:00 AM, Alan Jenkins
wrote:
On 12/06/15 02:44, David Lang wrote:
On Thu, 11 Jun 2015, Sebastian Moeller wrote:
On Jun 11, 2015, at 03:05 , Alan Jenkins
wrote:
On 10/06/15 21:54, Sebastian Moeller wrote:
One solution would
On 12/06/15 02:44, David Lang wrote:
On Thu, 11 Jun 2015, Sebastian Moeller wrote:
On Jun 11, 2015, at 03:05 , Alan Jenkins
wrote:
On 10/06/15 21:54, Sebastian Moeller wrote:
One solution would be if ISPs made sure upload is 100% provisioned.
Could be cheaper than for (the higher rate
On 10/06/15 21:54, Sebastian Moeller wrote:
Hi Dave,
On Jun 10, 2015, at 21:53 , Dave Taht wrote:
http://dl.ifip.org/db/conf/networking/networking2015/1570064417.pdf
gargoyle's qos system follows a similar approach, using htb + sfq, and
a short ttl udp flow.
Doing this sort of measured, th
On 15/05/15 09:55, Sebastian Moeller wrote:
Hi Lars,
On May 15, 2015, at 10:18 , Eggert, Lars wrote:
On 2015-5-15, at 06:44, Aaron Wood wrote:
ICMP prioritization over TCP?
Probably.
Interesting so far I often heard ICMP echo requests are bad as they are
often rate-limited and/o
On 14/05/15 14:14, Jonathan Morton wrote:
This implies that adding GRO peeling to cake might be a worthwhile priority.
- Jonathan Morton
Ah, not on my account, it seems.
# tc -stat qdisc |grep maxpacket
maxpacket 590 drop_overlimit 0 new_flow_count 1 ecn_mark 0
maxpacket 256 drop_overl
On 14/05/15 11:53, Jonathan Morton wrote:
On 14 May, 2015, at 13:50, Alan Jenkins
wrote:
generic-receive-offload: on
This implies that adding GRO peeling to cake might be a worthwhile priority.
- Jonathan Morton
Ah, not on my account, it seems.
# tc -stat qdisc |grep maxpacket
On 13/05/15 02:19, Rich Brown wrote:
I am working to restore the functionality of my CeroWrt 3.10.50-1
router with an OpenWrt BB image.
Things are going pretty well, but I have run into a problem. In the
past, I frequently used two CeroWrt routers at my home: one was my
primary, and connected vi
On 11/05/15 14:12, Rich Brown wrote:
HI Alan,
Thanks for these thoughts.
On May 11, 2015, at 2:58 AM, Alan Jenkins
wrote:
On 11/05/15 02:24, Rich Brown wrote:
Hi Alan,
Thanks for your note. I noticed the same effect on my DSL link -
the SQM up/download speeds in the web GUI wound up at
On 11/05/15 02:24, Rich Brown wrote:
Hi Alan,
Thanks for your note. I noticed the same effect on my DSL link - the SQM
up/download speeds in the web GUI wound up at the sync speeds of my modem (the
modem's gui to shows those speeds) and the latency stays under control. (I did
try setting them
On 11/04/15 18:01, Kevin Darbyshire-Bryant wrote:
Chaps,
Newcomer to Openwrt & the Cerowrt concepts so bear with me. I've built
an Openwrt environment based on Archer C7 hardware and 'Cerowrt'
principles of 'Routed LANs' for GigE LAN, Wireless LAN1 & Wireless
LAN2. I get the design idea of lim
Hi Seb, I have one last suspicion on this topic
On 19/03/15 08:29, Sebastian Moeller wrote:
My question still is, is the bandwidth sacrifice really necessary or is this
test just showing a corner case in simple.qos that can be fixed. I currently
lack enough time to tackle this effectively.
On 19/03/15 08:29, Sebastian Moeller wrote:
Hi Alan,
On Mar 18, 2015, at 23:14 , Alan Jenkins
wrote:
Hi Seb
I tested shaping on eth1 vs pppoe-wan, as it applies to ADSL. (On Barrier Breaker +
sqm-scripts). Maybe this is going back a bit & no longer interesting to read. But
it se
Hi Seb
I tested shaping on eth1 vs pppoe-wan, as it applies to ADSL. (On
Barrier Breaker + sqm-scripts). Maybe this is going back a bit & no
longer interesting to read. But it seemed suspicious & interesting
enough that I wanted to test it.
My conclusion was 1) I should stick with pppoe-w
On 12/03/15 21:21, Dave Taht wrote:
On Thu, Mar 12, 2015 at 1:31 PM, Alan Jenkins
wrote:
On 12/03/15 16:43, Rich Brown wrote:
We're espousing the proposition that OpenWrt BB and later is a worthy
successor to our beloved - and wicked reliable - CeroWrt 3.10.50-1.
(See, for example, &qu
On 12/03/15 21:47, Toke Høiland-Jørgensen wrote:
sqm-scripts / luci-app-sqm is only available from CC (trunk). The CC
version can be installed manually, but it will complain & leave you
with
warnings about it on every subsequent package install.
Note that we've been discussing backporting it to
On 12/03/15 20:31, Alan Jenkins wrote:
On 12/03/15 16:43, Rich Brown wrote:
- BB seems to have bloat, and I don't understand how to install and
configure the QoS/SQM scripts.
Install qos-scripts package. package install requires first updating,
since package cache does not persist
On 12/03/15 16:43, Rich Brown wrote:
We're espousing the proposition that OpenWrt BB and later is a worthy
successor to our beloved - and wicked reliable - CeroWrt 3.10.50-1.
(See, for example, "CeroWrt Triumphs over Bufferbloat" at
http://www.bufferbloat.net/news/ )
I just tried this out myself
On 07/03/2015, Alan Jenkins wrote:
> snipped and CC'd for again for record
>
> On 05/03/2015, Sebastian Moeller wrote:
>>
>> On Mar 5, 2015, at 13:55 , Alan Jenkins
>>
>> wrote:
>>
>>> On 05/03/2015, Sebastian Moeller wrote:
>>&
snipped and CC'd for again for record
On 05/03/2015, Sebastian Moeller wrote:
>
> On Mar 5, 2015, at 13:55 , Alan Jenkins
> wrote:
>
>> On 05/03/2015, Sebastian Moeller wrote:
>>
>>>> I'm only shaping upload, because I can't measure any i
On 03/03/2015, Sebastian Moeller wrote:
> Hi Alan,
> Excellent, now we have positive results from CC (you are running CC I
> believe) and cerowrt.
I'm afraid I'm running BB with this package manually installed.
>>
>> It still logs errors.
>
> In the boot log? I tend to consider thes
On 3 March 2015 at 17:06, Sebastian Moeller wrote:
> Hi Alan,
>
> I would be delighted if you could try the etc/hotplug.d/iface/11-sqm and
> the updated usr/lib/sqm/run.sh from the attached files (I am not sure about
> the root to the files in the attached folder, but you will figure it out, I
>
On 15/02/15 15:56, Toke Høiland-Jørgensen wrote:
Sebastian Moeller writes:
I am not sure that this works as intended. The first thing
run.sh does is take down all running SQM instances:
Ah yes, seems I was a bit too trigger-happy there ;)
I was just about to explain the same,
Hi Toke
I tried installing sqm-scripts from trunk, on Barrier Breaker on my
wndr3800.
It's very effective, but I notice SQM isn't applied at boot time. The
system log complains about pppoe-wan interface not existing, when the
sqm init script is started.
My guess is it'd be the same even if
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