Re: [Cerowrt-devel] [Bloat] [Make-wifi-fast] [Starlink] [Cake] Due Aug 2: Internet Quality workshop CFP for the internet architecture board

2021-08-08 Thread Jonathan Morton
o > each other, and the packet rate drops through the floor until they stop > having relative motion. And I assume that also applies to time-varying > path-loss and path-distance (multipath reflections). So is it time to mount test stations on model railway wag

Re: [Cerowrt-devel] [Bloat] Little's Law mea culpa, but not invalidating my main point

2021-07-09 Thread Jonathan Morton
riterion 2 being false. The number of flows going to even a family household is probably in the low dozens at best. A control-theory approach can also work here. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net ht

Re: [Cerowrt-devel] [Bloat] Abandoning Window-based CC Considered Harmful (was Re: Bechtolschiem)

2021-07-08 Thread Jonathan Morton
ding with limiting the amount of inflight data So this corresponds to approach a) in Roland's taxonomy. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Bloat] Bechtolschiem

2021-07-02 Thread Jonathan Morton
are not lost, the flows experiencing them are not disadvantaged and the so-called "capture effect" will not occur. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] semi off-topic: LEDs on WRT1200AC

2021-03-18 Thread Jonathan Morton
limit resistors. You won't notice the change in brightness, and the LEDs will last much longer. And if there *aren't* any limit resistors - well, there's yer problem. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.buffer

Re: [Cerowrt-devel] semi off-topic: LEDs on WRT1200AC

2021-03-16 Thread Jonathan Morton
then only need to remember which way round to fit them. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Looking for MORE SQM Router Recommendations !

2021-03-16 Thread Jonathan Morton
ot;Lite" would probably then be sufficient. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Looking for MORE SQM Router Recommendations !

2021-03-16 Thread Jonathan Morton
t reach wire speed on that class of hardware. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Looking for MORE SQM Router Recommendations !

2021-03-16 Thread Jonathan Morton
ormance wifi AP, but it'll handle the speed just fine, with SQM, over Ethernet. You should be able to attach a dedicated bridge AP to it. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.

Re: [Cerowrt-devel] [Bloat] how to ecn again on osx and ios!!!

2021-03-09 Thread Jonathan Morton
> On 9 Mar, 2021, at 10:38 pm, Dave Taht wrote: > > sudo sysctl -w net.inet.tcp.disable_tcp_heuristics=1 Now that might well be the missing link. I think we missed it before since it doesn't have "ecn" in its name. - Jonathan Morton

Re: [Cerowrt-devel] [Make-wifi-fast] [Bloat] [Cake] Fwd: [Galene] Dave on bufferbloat and jitter at 8pm CET Tuesday 23

2021-02-24 Thread Jonathan Morton
s very much not the case some years ago). However, there's no tariff at any convenient level between 1Mbps (poverty tariff) and 50Mbps (probably radio limited on a single carrier). - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.buf

Re: [Cerowrt-devel] [Bloat] my thx to spacex (and kerbal space program) forcheering me up all year

2021-01-01 Thread Jonathan Morton
n the consumer-end modem. This is fixable, just as soon as Starlink put their minds to it, because it's based on the same Atheros SoCs as the consumer CPE we're already familiar with. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lis

Re: [Cerowrt-devel] openwrt or "open" security cams?

2020-04-03 Thread Jonathan Morton
> On 4 Apr, 2020, at 2:08 am, Joel Wirāmu Pauling wrote: > > 128G of Ram That's somewhat more than I have in my desktop PCs. Did you mean 128MB? - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.

Re: [Cerowrt-devel] telenor was at a+ for a while

2019-12-03 Thread Jonathan Morton
> On 3 Dec, 2019, at 7:14 pm, Dave Taht wrote: > > http://www.dslreports.com/speedtest/results/isp/r2823-telenor-internet Yes, they tell me they have fq_codel deployed on their fixed-line networks. - Jonathan Morton ___ Cerowrt-devel mai

Re: [Cerowrt-devel] althea presentation on isp in a box at nanog 76

2019-06-24 Thread Jonathan Morton
sed on. Custom firmware, sticker over the logo… it works well. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Bloat] (no subject)

2019-05-18 Thread Jonathan Morton
but > approximately half a second to the one-way path delay, with potentially > thousands of packets existing only as radio waves in the distance between, > not in a queue. Continuing my train of thought, what Kleinrock really implies is that the cwnd should *exceed* the native

Re: [Cerowrt-devel] [Bloat] (no subject)

2019-05-18 Thread Jonathan Morton
hop adds only two nodes but approximately half a second to the one-way path delay, with potentially thousands of packets existing only as radio waves in the distance between, not in a queue. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-dev

Re: [Cerowrt-devel] [Cake] https://tools.ietf.org/html/draft-ietf-tsvwg-le-phb-06 is in last call

2019-02-03 Thread Jonathan Morton
twork, and Should be interpreted as Low Priority if encountered by a device not specifically configured to understand them. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] https://tools.ietf.org/html/draft-ietf-tsvwg-le-phb-06 is in last call

2019-02-03 Thread Jonathan Morton
e way you'd *normally* write a number down. The TOS field can sometimes be confusing because the DSCP field is the upper 6 bits and the ECN field the lower 2, and the BSD Sockets API gives you the while byte to work with while DSCPs are quoted as just their own 6 bits. So you have to shift the lat

Re: [Cerowrt-devel] I so love seeing stuff like this

2019-02-01 Thread Jonathan Morton
nk logo. I'm not sure that it supports 802.11ac, but it does work fine in my setup. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] toaster-net

2019-01-10 Thread Jonathan Morton
> On 10 Jan, 2019, at 4:07 am, Dave Taht wrote: > > a netnews thread from 1988: > > https://web.archive.org/web/20030718205943/http://www-mice.cs.ucl.ac.uk:80/multimedia/misc/tcp_ip/8813.mm.www/0178.html Obligatory: https://www.youtube.com/watch?v=LRq_SAuQDec -

Re: [Cerowrt-devel] fq_pie for linux

2018-12-11 Thread Jonathan Morton
nder if it's worth extracting the triple-isolate and set-associative hash logic from Cake for this purpose? The interface to COBALT is clean enough to be replaced by other AQMs relatively easily. - Jonathan Morton ___ Cerowrt-devel mailin

Re: [Cerowrt-devel] security guidelines for home routers

2018-11-27 Thread Jonathan Morton
Then write the necessary software in assembly, which can be translated to machine code (or at least verified) by hand if you're truly paranoid, and toggle it in byte by byte on the front panel. Good luck getting a web browser running on one of

Re: [Cerowrt-devel] Wicked OT: 240.0.0.0/4 netblock

2018-10-19 Thread Jonathan Morton
re you could use those addresses in a closed, controlled laboratory network - but not in anything you plan to deploy commercially or publicly. It would be better to use IPv6, IMHO. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-d

Re: [Cerowrt-devel] wifi trick with comcast

2018-10-09 Thread Jonathan Morton
from each over the same physical cable connection. The better question would be: "what happens if/when comcast notices?" - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Cake] apu2 sqm/htb issue + a minor win for speeding up fq_codel itself

2018-10-03 Thread Jonathan Morton
ough to run a botnet anyway. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Bloat] [Make-wifi-fast] closing up my make-wifi-fast lab

2018-08-27 Thread Jonathan Morton
Indeed - and conversely, there may be interference that the transmitter can hear clearly but which is irrelevant to the intended receiver. In that case, any form of LBT will be needlessly conservative. - Jonathan Morton ___ Cerowrt-devel mailing list

Re: [Cerowrt-devel] [Make-wifi-fast] closing up my make-wifi-fast lab

2018-08-27 Thread Jonathan Morton
by observing packet loss by dint of missing acknowledgements returned to the transmitter. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Make-wifi-fast] closing up my make-wifi-fast lab

2018-08-27 Thread Jonathan Morton
he tradeoff, of course, is that orthogonal coding permits a reduction in waiting to transmit, but requires a reduction in data rate during the transmission. I'm sure other people have better data on that than I do. - Jonathan Morton ___ Cerowrt-devel mail

Re: [Cerowrt-devel] [Make-wifi-fast] closing up my make-wifi-fast lab

2018-08-27 Thread Jonathan Morton
dinating APs if necessary. The above paragraph is obviously a giant handwave... - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] 1.5b for posh

2018-07-29 Thread Jonathan Morton
> On 30 Jul, 2018, at 3:30 am, Dave Taht wrote: > > http://linuxgizmos.com/darpa-launches-posh-project-for-open-source-hardware-ip-blocks/ The $1.5B figure is overall for the fund, POSH got a few tens of millions. - Jonathan Morton __

Re: [Cerowrt-devel] So how far behind is the embedded router world, still?

2018-07-26 Thread Jonathan Morton
ously have a lot more resources than we do. What could *we* do with that level of funding and organisation? Take six months, and put out a router that *doesn't* suck for a change! - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.

Re: [Cerowrt-devel] [Cake] inbound cake or fq_codel shaping fails on cable on netflix reno

2018-07-21 Thread Jonathan Morton
gned in the packet. This would give a way to halt slow-start when it reaches roughly the correct window size, instead of having it overshoot first. It would also give a way to gently control the cwnd to the ideal value while in steady-state, instead of oscillating around it. - Jonathan Morto

Re: [Cerowrt-devel] [Cake] inbound cake or fq_codel shaping fails on cable on netflix reno

2018-07-21 Thread Jonathan Morton
> On 21 Jul, 2018, at 8:20 pm, Georgios Amanakis wrote: > > I got the same result as you. This is using latest cake. I'd like to see a tcptrace of what's going on here. A packet capture with snaplen 100 should allow me to generate one. - Jonath

Re: [Cerowrt-devel] [Bloat] building a better toaster

2018-06-30 Thread Jonathan Morton
lerable alternative to coding directly in VHDL or Verilog, and can output the latter to be consumed by Xilinx' official toolchains somehow. I still dream of putting something very like Cake into hardware *and* not having to configure a router with a Web browser. B

Re: [Cerowrt-devel] [Bloat] sqm deployment

2018-06-22 Thread Jonathan Morton
> On 22 Jun, 2018, at 8:32 am, Dave Taht wrote: > >> Question: does anybody know what hides behind eero's sqm name? > > It's the sqm-scripts. So, the likelihood of them adopting Cake is…? :-) - Jonathan Morton ___ Cerowrt-

Re: [Cerowrt-devel] Invisibility of bufferbloat and its remedies

2018-06-19 Thread Jonathan Morton
s nothing theoretically stopping something similar being put into future HardMAC implementations. If we get the choice of hardware, naturally we choose wisely. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.

Re: [Cerowrt-devel] [Bloat] Invisibility of bufferbloat and its remedies

2018-06-18 Thread Jonathan Morton
> On 19 Jun, 2018, at 1:43 am, dpr...@deepplum.com wrote: > > So, no, the Network Neutrality people are NOT the problem with Bufferbloat. No, but I think it's fair to point towards corporate greed and political ignorance as common causes of both problems. - Jonath

Re: [Cerowrt-devel] [Bloat] sqm deployment

2018-06-15 Thread Jonathan Morton
tion. There are a few other reviewers who are probably capable of being educated, as well, though they're less aware up-front. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] spacebee

2018-03-13 Thread Jonathan Morton
lision, given random trajectories, depends on the sizes of *both* objects involved - and rather more strongly on the size of the *larger* object. If you reduce the size of a 10cm object by 50%, it has much less effect on the combined collision radius than reducing the size of a 10m o

Re: [Cerowrt-devel] aarch64 exploit POC

2018-01-08 Thread Jonathan Morton
atches. Obviously, don't do that on a virtualised box, but you can do it on hardware you own and operate yourself with no untrusted code. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.ne

Re: [Cerowrt-devel] aarch64 exploit POC

2018-01-07 Thread Jonathan Morton
g new revisions of existing cores. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Spectre and EBPF JIT

2018-01-05 Thread Jonathan Morton
> On 5 Jan, 2018, at 5:35 pm, dpr...@deepplum.com wrote: > > Of course the "press" wants everyone to be superafraid, so if they can say > "KVM is affected" that causes the mob to start running for the exits! Meanwhile, in XKCD land... https://xk

Re: [Cerowrt-devel] Spectre and EBPF JIT

2018-01-05 Thread Jonathan Morton
r syscalls. The same is likely true for any other affected CPUs. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

2018-01-04 Thread Jonathan Morton
e.com/watch?v=4U9MI0u2VIE - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

2018-01-04 Thread Jonathan Morton
f the Raspberry Pi are not affected. These are all in-order execution CPUs with short pipelines, and I think they're representative of what you'd want in CPE. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lis

Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

2018-01-04 Thread Jonathan Morton
s been properly assessed. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

2018-01-04 Thread Jonathan Morton
... - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

2018-01-02 Thread Jonathan Morton
nsumer PCs or routers, even if they do use Intel x86 CPUs, except for the performance impact we might see where the mitigation is in place. The performance impact would primarily affect system calls and context switches, I think, with much less impact on general computation. - Jonat

Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

2018-01-01 Thread Jonathan Morton
It looks nasty, but if it's a hardware bug then it's likely applicable only to specific CPUs. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Bloat] DC behaviors today

2017-12-13 Thread Jonathan Morton
the importance of measurement timescales is consistently underrated in the industry and in academia alike. An hour-long bucket of traffic tells you about a very different set of characteristics than a millisecond-long bucket, and there are several timescales between those extremes of great practical int

Re: [Cerowrt-devel] [Bloat] DC behaviors today

2017-12-13 Thread Jonathan Morton
Ten times average demand estimated at time of deployment, and struggling badly with peak demand a decade later, yes. And this is the transportation industry, where a decade is a *short* time - like less than a year in telecoms. - Jonathan Morton On 13 Dec 2017 17:27, "Neil Davies&qu

Re: [Cerowrt-devel] [Bloat] DC behaviors today

2017-12-12 Thread Jonathan Morton
time every day. That breaks the assumptions behind pure statistical multiplexing, and requires a greater provisioning factor. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt

Re: [Cerowrt-devel] Fwd: The 2017 Mirai

2017-01-05 Thread Jonathan Morton
va” means “doesn’t go”. There are a *lot* of Spanish speakers in the Nova’s target market. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] gaming routers...

2017-01-04 Thread Jonathan Morton
this approach and the ath9k work - purely to illuminate whether the proprietary or open-source approaches are more effective in practice. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Fwd: License File for Open Source Repositories

2016-12-23 Thread Jonathan Morton
patent offices from issuing such patents and courts from hearing cases brought on them. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Intel latency issue

2016-12-04 Thread Jonathan Morton
modems rebadged by > ISPs, such as Virgin Media's Superhub 3 and Comcast's top-end Xfinity > boxes. There are other brands, such as Linksys and Cisco, that use the > system-on-chip that may also be affected." I do have to ask: the Atom isn’t very powerful, but WTF is it doing for 200ms

Re: [Cerowrt-devel] BBR congestion control algorithm for TCP in net-next

2016-09-17 Thread Jonathan Morton
The latter avoids packet loss. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Make-wifi-fast] wifi airtime fairness patches could use eyeballs and testing

2016-08-10 Thread Jonathan Morton
But FQ shouldn’t be reordering packets within the same flow. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Cake] conntrack and ipv6

2016-07-03 Thread Jonathan Morton
changes to IP addresses occur while traversing the router. Cake can therefore see the correct addresses without probing conntrack data. There's still a huge number of people on IPv4 NAT though. - Jonathan Morton ___ Cerowrt-devel mailin

Re: [Cerowrt-devel] anyone know anything about the wifi driver on this thing?

2016-06-28 Thread Jonathan Morton
> On 29 Jun, 2016, at 03:32, Dave Taht <dave.t...@gmail.com> wrote: > > 10 cores, including a pair of A72s > > http://www.androidheadlines.com/2016/06/helio-x20-development-board-announced-by-mediatek.html > 802.11b/g/n Wi-Fi That it’s not AC suggests it’s an exist

Re: [Cerowrt-devel] [Babel-users] Why we are discussing ARM [was: Cross-compiling to armhf]

2016-06-26 Thread Jonathan Morton
T) - they can be used for one purpose or the other, but not both. This is quite common practice in the embedded world. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Why we are discussing ARM [was: Cross-compiling to armhf]

2016-06-23 Thread Jonathan Morton
ACs, not USB and SDIO. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Cross-compiling to armhf [was: beaglebone green wireless boards...]

2016-06-23 Thread Jonathan Morton
lready typically built in armhf mode, but ARMv6 machines were usually expected to use softfp (or even softfloat) builds originally intended for ARMv5. Since the R-Pi was obviously going to be a “platform standard” and would always include an FPU, the effort of producing a proper ARMv6-hf buil

Re: [Cerowrt-devel] anyone tried a wrtnode?

2016-06-21 Thread Jonathan Morton
do it again for more > complex device. If I do it right, it should be able to be a good > interface for any switch/firewall. > > for too long, people have made network infrastructure device user > interfaces complicated. It's time to make them simple. I may have some idea

Re: [Cerowrt-devel] qos calculator & paper for htb rate selection

2016-06-18 Thread Jonathan Morton
t trust that any of the results they obtained would have any relevance to a realistic Internet application. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] trying to make sense of what switch vendors say wrt buffer bloat

2016-06-10 Thread Jonathan Morton
a daemon which can listen for and produce raw Ethernet frames using some unused protocol number. It might even turn out to be quite easy. One quick-and-dirty solution would be to bring up an IP address (or just an ARP daemon) on the target host, then use arping. -

Re: [Cerowrt-devel] trying to make sense of what switch vendors say wrt buffer bloat

2016-06-06 Thread Jonathan Morton
s far as peak latency is concerned. Just because RAM is cheap these days… For anything above switch class (ie. with visibility at Layer 3 rather than 2), I would consider AQM mandatory to support a claim of “unbloated". Even if it’s just WRED; it’s not con

Re: [Cerowrt-devel] the cornucopia machine is so massively open

2016-05-03 Thread Jonathan Morton
> On 3 May, 2016, at 04:26, Dave Taht <dave.t...@gmail.com> wrote: > > the onboard wifi is bcm4336 I think this implies it’s attached over SDIO, as in the R-Pi 3. It won’t be fast. But the Ethernet should be full performance, at least. That’s built into the SoC. -

Re: [Cerowrt-devel] update on that nuc I was fighting with

2016-04-19 Thread Jonathan Morton
though you can (temporarily at least) replace the mini-PCIe card supporting three of the Ethernet ports with one of your choice, and still have one GigE port. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.

Re: [Cerowrt-devel] the real future of the internet starts with fixing todays internet

2016-04-10 Thread Jonathan Morton
> On 9 Apr, 2016, at 04:22, Dave Taht <dave.t...@gmail.com> wrote: > > I will put in a comment to the eu tomorrow. Michiel's rhetoric hit me > where I live. We gotta fix what we got. > > from: https://nlnet.nl/people/leenaars/ec/ I have submitted a detailed respo

Re: [Cerowrt-devel] [Make-wifi-fast] [bufferbloat-fcc-discuss] arstechnica confirmstp-link router lockdown

2016-03-14 Thread Jonathan Morton
and upwards) open for experimentation and improvement. These are compatible goals, at the fundamental level, but there is a practical problem with existing implementations which mix the layers inappropriately. - Jonathan Morton ___ Cerowrt-devel

Re: [Cerowrt-devel] [Make-wifi-fast] arstechnica confirms tp-link router lockdown

2016-03-13 Thread Jonathan Morton
t argument against Web configuration interfaces - they are impossible to secure in the factory-fresh state. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Make-wifi-fast] arstechnica confirms tp-link router lockdown

2016-03-13 Thread Jonathan Morton
nits over their lifetime. The famous 3310 sold “only” 150 million - and I still have mine. It’s on its third battery, which lasts an entire week on standby. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https

Re: [Cerowrt-devel] [Make-wifi-fast] arstechnica confirms tp-link router lockdown

2016-03-12 Thread Jonathan Morton
erface” concept altogether, and I have an allergic reaction to “web technology” such as JavaScript (spit), that’s *not* what I’m going to do. Instead, I’ll prototype something based around an emulation of the display linked above. But I will take a careful look at

Re: [Cerowrt-devel] hardware from hell

2016-03-03 Thread Jonathan Morton
through the heatsink. If you want to copy that, here’s the board - if you can still find it on sale - and the case: https://www.asus.com/Motherboards/E45M1I_DELUXE/ http://www.cartft.com/catalog/il/1058 - Jonathan Morton ___ Cer

Re: [Cerowrt-devel] hardware from hell

2016-03-03 Thread Jonathan Morton
> On 4 Mar, 2016, at 04:47, Jonathan Morton <chromati...@gmail.com> wrote: > > It’s also possible to reduce the cost a bit further if that’s a factor. Here’s an alternative version that’s noticeably cheaper and gives you *three* Ethernet ports and a mini-PCIe slot. The CPU is

Re: [Cerowrt-devel] hardware from hell

2016-03-03 Thread Jonathan Morton
03-03 21:40 EST-0500 It’s not as small as a NUC, but it’s not very large either. It’s also possible to reduce the cost a bit further if that’s a factor. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https:/

Re: [Cerowrt-devel] routers you can throw off the back of a truck

2016-01-21 Thread Jonathan Morton
Ubuntu kernel (which is significantly older) on amd64. I do have a mips router and some armv6/7 units as well, but I haven’t actively been using them for testing - it shouldn’t be any harder to get it running *just* because it’s mips, though. - Jonathan Morton __

Re: [Cerowrt-devel] routers you can throw off the back of a truck

2016-01-18 Thread Jonathan Morton
t yet found a robust way to automatically sense link capacity from the upstream side. You’ll therefore need to set a conservative static value for the uplink capacity. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lis

Re: [Cerowrt-devel] routers you can throw off the back of a truck

2016-01-18 Thread Jonathan Morton
figure is the target *queuing* latency, which should be considerably less than the estimated RTT; you really don’t want to be consistently adding 60ms of queuing on top of your 60ms inherent 3G latency. - Jonathan Morton ___ Cerowrt-devel mailing li

Re: [Cerowrt-devel] routers you can throw off the back of a truck

2016-01-18 Thread Jonathan Morton
m… > The most useful modification, for me, is the ability to change "hash type" so > that ESFQ allocates bandwidth fairly per source IP rather than per connection. You might want to read the recent thread on the Cake list about “triple flow isolation”. That does everything ESFQ

Re: [Cerowrt-devel] routers you can throw off the back of a truck

2016-01-18 Thread Jonathan Morton
> On 18 Jan, 2016, at 18:14, Michael Richardson <m...@sandelman.ca> wrote: > > Jonathan Morton <chromati...@gmail.com> wrote: >> I haven’t yet found a robust way to automatically sense link capacity from >> the upstream side. You’ll therefore need to s

Re: [Cerowrt-devel] looking for gold standard for deploying bufferbloat remediation

2015-12-18 Thread Jonathan Morton
For 25/25, a 3800 with cake will do fine. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Problems testing sqm

2015-10-26 Thread Jonathan Morton
er than a firehose, assuming it’s working at all. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Problems testing sqm (solved)

2015-10-25 Thread Jonathan Morton
for having proper blinkenlights on technical equipment - even at the consumer level. By watching the lights, you might have noticed sooner that traffic wasn’t going the way you expected. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-de

Re: [Cerowrt-devel] Save WiFi from the FCC - DEADLINE is in 3 days *September* 8

2015-09-07 Thread Jonathan Morton
> On 5 Sep, 2015, at 17:12, Rich Brown <richb.hano...@gmail.com> wrote: > > Please post a link to your comments when you're done. I couldn’t figure out a way to link to my comment as submitted, so I’ve attached it to this e-mail instead. - Jonathan Morton Comment re: Prop

Re: [Cerowrt-devel] google wifi

2015-08-19 Thread Jonathan Morton
Everyone except Apple. They're using the same Airport Extreme Base Station branding as my 2007 draft-n model. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Make-wifi-fast] [tsvwg] Comments on draft-szigeti-tsvwg-ieee-802-11e

2015-08-13 Thread Jonathan Morton
almost certainly can't be retrofitted in this way. However, since 'ac' hardware is required to support individual-checksum aggregation, a dual-band 'ac' card running on 2.4 GHz will effectively be an 'n' card with such support, even if it's a hard-MAC. - Jonathan Morton

Re: [Cerowrt-devel] [Make-wifi-fast] [tsvwg] Comments on draft-szigeti-tsvwg-ieee-802-11e

2015-08-13 Thread Jonathan Morton
There's a capability handshake during association, so there's no compatibility problem. Clients supporting only the single checksum won't understand multiple-checksum aggregates at all, but the transmitter will know not to send that type to them. - Jonathan Morton

Re: [Cerowrt-devel] [Make-wifi-fast] [tsvwg] Comments on draft-szigeti-tsvwg-ieee-802-11e

2015-08-09 Thread Jonathan Morton
aggregate) and the mandatory 802.11ac capability of a checksum per packet. As long as you also employ RTS/CTS when appropriate, the possibility of collisions is no longer a reason to avoid aggregating. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt

Re: [Cerowrt-devel] [Make-wifi-fast] [tsvwg] Comments on draft-szigeti-tsvwg-ieee-802-11e

2015-08-07 Thread Jonathan Morton
-purpose OS. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] [Make-wifi-fast] [tsvwg] Comments on draft-szigeti-tsvwg-ieee-802-11e

2015-08-03 Thread Jonathan Morton
Because at today's link rates, a full 1500 byte MTU packet is small. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Fwd: [tsvwg] Comments on draft-szigeti-tsvwg-ieee-802-11e

2015-07-23 Thread Jonathan Morton
Link to the spec? - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] Cerowrt-devel Digest, Vol 44, Issue 24

2015-07-20 Thread Jonathan Morton
On 20 Jul, 2015, at 10:17, Mikael Abrahamsson swm...@swm.pp.se wrote: On Sun, 19 Jul 2015, Jonathan Morton wrote: In the current version, a bandwidth threshold is used instead. If the traffic in the class remains below the threshold, then they get the (non strict) priority requested

Re: [Cerowrt-devel] Cerowrt-devel Digest, Vol 44, Issue 24

2015-07-19 Thread Jonathan Morton
the latter was also poorly specified, it was at least clear what it meant). Frankly I think IETF dropped the ball there. Rough consensus and working code. I find it difficult to believe that they had working code implementing a complete Diffserv system. - Jonathan Morton

Re: [Cerowrt-devel] Correct syntax for cake commands and atm issues.

2015-07-10 Thread Jonathan Morton
. What's probably happening is that you're using a slightly old version of the cake kernel module which lacks the overhead parameter entirely, but a more up to date tc which does support it. We've seen this combination crop up ourselves recently. - Jonathan Morton

Re: [Cerowrt-devel] Correct syntax for cake commands and atm issues.

2015-07-10 Thread Jonathan Morton
Qdiscs should be used on any link that might become a bottleneck. In most consumer cases, that will indeed be your WAN interface. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo

Re: [Cerowrt-devel] Correct syntax for cake commands and atm issues.

2015-07-10 Thread Jonathan Morton
, if the shaper isn’t set to a lower bandwidth than the link rate, it won’t control the queue. - Jonathan Morton ___ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel

Re: [Cerowrt-devel] performance numbers from WRT1200AC (Re: Latest build test - new sqm-scripts seem to work; cake overhead 40 didn't)

2015-06-29 Thread Jonathan Morton
I'd also like to be able to try it out on CPE hardware. However, what I've got is a Buffalo H300N, so I'll need build instructions (preferably starting from an existing stock build) as well as setup. The Buffalo isn't as powerful as some others, being based around a 34K core. - Jonathan Morton

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