Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-29 Thread David Lang
On Sat, 28 Mar 2015, Scheffenegger, Richard wrote: David, Perhaps you would care to provide some text to address the misconception that you pointed out? (To wait for a 100% fix as a 90% fix appears much less appealing, while the current state of art is at 0%) Ok, you put me on the spot :-)

Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-29 Thread De Schepper, Koen (Koen)
, think twice to drop: draft-ietf-aqm-ecn-benefits-02 On Fri, 27 Mar 2015, Scheffenegger, Richard wrote: Hi David, - low latency AND high throughput (compared to low latency OR high throughput for drop based congestion controllers) I think that you are overstating things when you say

Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-28 Thread Scheffenegger, Richard
David, Perhaps you would care to provide some text to address the misconception that you pointed out? (To wait for a 100% fix as a 90% fix appears much less appealing, while the current state of art is at 0%) If you think that aqm-recommendations is not strogly enough worded. I think this

Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-27 Thread David Lang
On Fri, 27 Mar 2015, De Schepper, Koen (Koen) wrote: Hi all, Agreed that there implementations should not be described. Also agree that we should describe all the benefits of using ECN, so I propose to reformulate something as follows: ECN allows to introduce and deploy state of the art ECN

Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-27 Thread David Lang
On Fri, 27 Mar 2015, KK wrote: The discussion about adding buffers and the impact of buffers should be considered relative to the time scales when congestion occurs and when it is relieved by the dynamics of the end-system protocols. The reason we have buffering is to handle transients at the

Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-27 Thread KK
The discussion about adding buffers and the impact of buffers should be considered relative to the time scales when congestion occurs and when it is relieved by the dynamics of the end-system protocols. The reason we have buffering is to handle transients at the points where there is a mismatch in

Re: [aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-25 Thread Michael Welzl
Hi, Below: On 25. mar. 2015, at 13.12, De Schepper, Koen (Koen) koen.de_schep...@alcatel-lucent.com wrote: Hi all, Related to DCTCP and different (more) marking ECN than dropping (let's call it ECN++ in this mail), the talk I gave in iccrg (Data Center to the Home) shows that it is

[aqm] think once to mark, think twice to drop: draft-ietf-aqm-ecn-benefits-02

2015-03-25 Thread De Schepper, Koen (Koen)
Hi all, Related to DCTCP and different (more) marking ECN than dropping (let's call it ECN++ in this mail), the talk I gave in iccrg (Data Center to the Home) shows that it is possible to have fairness between ECN++ flows (DCTCP, Relentless TCP, Scalable TCP, ...) and drop based Reno/Cubic