Re: [Bloat] The Dark Problem with AQM in the Internet?

2014-09-01 Thread Richard Scheffenegger
Hi Jerry, isn't this the problem statement of Conex? Again, you at the end host would gain little insight with Conex, but every intermediate network operator can observe the red/black marked packets, compare the ratios and know to what extent (by looking at ingress vs egress into his network

Re: [Bloat] Comcast upped service levels - WNDR3800 can't cope...

2014-09-01 Thread Dave Taht
On Sun, Aug 31, 2014 at 3:18 AM, Jonathan Morton chromati...@gmail.com wrote: On 31 Aug, 2014, at 1:30 am, Dave Taht wrote: Could I get you to also try HFSC? Once I got a kernel running that included it, and figured out how to make it do what I wanted... ...it seems to be

[Bloat] What is wrong with Microsoft's receive window auto-tuning?

2014-09-01 Thread Jerry Jongerius
I am noticing (via WireShark traces) at times that Microsoft's (Windows 7) receive window auto-tuning goes horribly wrong, causing significant buffer bloat. And at other times, the tuning appears to work just fine. For example, BDP suggests a receive window of 750k, and most often Windows tunes

Re: [Bloat] Comcast upped service levels - WNDR3800 can't cope...

2014-09-01 Thread Jonathan Morton
On 1 Sep, 2014, at 8:01 pm, Dave Taht wrote: On Sun, Aug 31, 2014 at 3:18 AM, Jonathan Morton chromati...@gmail.com wrote: On 31 Aug, 2014, at 1:30 am, Dave Taht wrote: Could I get you to also try HFSC? Once I got a kernel running that included it, and figured out how to make it do

Re: [Bloat] Comcast upped service levels - WNDR3800 can't cope...

2014-09-01 Thread Dave Taht
On Mon, Sep 1, 2014 at 11:06 AM, Jonathan Morton chromati...@gmail.com wrote: On 1 Sep, 2014, at 8:01 pm, Dave Taht wrote: On Sun, Aug 31, 2014 at 3:18 AM, Jonathan Morton chromati...@gmail.com wrote: On 31 Aug, 2014, at 1:30 am, Dave Taht wrote: Could I get you to also try HFSC? Once

Re: [Bloat] Comcast upped service levels - WNDR3800 can't cope...

2014-09-01 Thread Aaron Wood
But this doesn't really answer the question of why the WNDR has so much lower a ceiling with shaping than without. The G4 is powerful enough that the overhead of shaping simply disappears next to the overhead of shoving data around. Even when I turn up the shaping knob to a value quite

Re: [Bloat] Comcast upped service levels - WNDR3800 can't cope...

2014-09-01 Thread Jonathan Morton
On 1 Sep, 2014, at 11:25 pm, Aaron Wood wrote: But this doesn't really answer the question of why the WNDR has so much lower a ceiling with shaping than without. The G4 is powerful enough that the overhead of shaping simply disappears next to the overhead of shoving data around. Even