Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-30 Thread Mikael Abrahamsson
On Tue, 29 Apr 2014, Jim Gettys wrote: Why would you think the GPON guys are any better in principle than cable or Fiber != GPON. Fiber in Sweden is 99% active ethernet. And the advertisement isn't about bufferbloat, I doubt they even know what that is... Upside is that the equipment used

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Jim Gettys
On Tue, Apr 29, 2014 at 3:56 AM, Mikael Abrahamsson swm...@swm.pp.sewrote: On Tue, 29 Apr 2014, Fred Baker (fred) wrote: Well, we could discuss international communications. I happen to be at Infocom in Toronto, VPN’d into Cisco San Jose, and did a ping to you: Yes, but as soon as you hit

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Jim Gettys
On Tue, Apr 29, 2014 at 12:44 PM, Jim Gettys j...@freedesktop.org wrote: On Tue, Apr 29, 2014 at 3:56 AM, Mikael Abrahamsson swm...@swm.pp.sewrote: On Tue, 29 Apr 2014, Fred Baker (fred) wrote: Well, we could discuss international communications. I happen to be at Infocom in Toronto,

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Toke Høiland-Jørgensen
Jim Gettys j...@freedesktop.org writes: Now, if someone gives me real fiber to the home, with a real switch fabric upstream, rather than gpon life might be somewhat better (if the switches aren't themselves overbuffered But so far, it isn't. As a data point for this, I have fibre to my

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Dave Taht
On Tue, Apr 29, 2014 at 9:44 AM, Jim Gettys j...@freedesktop.org wrote: On Tue, Apr 29, 2014 at 3:56 AM, Mikael Abrahamsson swm...@swm.pp.se wrote: On Tue, 29 Apr 2014, Fred Baker (fred) wrote: Well, we could discuss international communications. I happen to be at Infocom in Toronto,

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Jim Gettys
On Tue, Apr 29, 2014 at 1:01 PM, Toke Høiland-Jørgensen t...@toke.dkwrote: Jim Gettys j...@freedesktop.org writes: Now, if someone gives me real fiber to the home, with a real switch fabric upstream, rather than gpon life might be somewhat better (if the switches aren't themselves

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Greg White
FYI piggybacked requests in DOCSIS eliminate the possibility of request collisions (and resulting backoff/retry). In DOCSIS 3.0 they will result in lower latency only as a result of eliminating these events. In a lightly loaded DOCSIS 3.0 network (few neighbors contending for bandwidth) the

Re: [aqm] [Bloat] the side effects of 330ms lag in the real world

2014-04-29 Thread Dave Taht
On Tue, Apr 29, 2014 at 10:01 AM, Toke Høiland-Jørgensen t...@toke.dk wrote: Jim Gettys j...@freedesktop.org writes: Now, if someone gives me real fiber to the home, with a real switch fabric upstream, rather than gpon life might be somewhat better (if the switches aren't themselves