[aqm] avoiding the sqrt

2015-08-10 Thread Jeff Weeks
The CoDel control_law is defined as 't + interval/sqrt(count)' The sample implementation (http://queue.acm.org/appendices/codel.html) suggests that sqrt(count) can be calculated using only integer multiplication, but I'm wondering if it even needs to be calculated. Would it not be more

Re: [aqm] avoiding the sqrt

2015-08-10 Thread Jonathan Morton
The version of codel that cake uses does indeed use such a lookup table for 1..15. This was for accuracy rather than performance reasons. - Jonathan Morton ___ aqm mailing list aqm@ietf.org https://www.ietf.org/mailman/listinfo/aqm

Re: [aqm] I-D Action: draft-ietf-aqm-pie-02.txt

2015-08-10 Thread Rong Pan (ropan)
Hello, A new draft of PIE has been posted. Below are our responses to Bob¹s questions. Thanks, Rong ‹ Response to Bob¹s comments 1) Proposed Standard, but normative language: Done 2) Has PIE been separately tested with and without each enhancement? Yes. During the DOCSIS-PIE

[aqm] I-D Action: draft-ietf-aqm-pie-02.txt

2015-08-10 Thread internet-drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Active Queue Management and Packet Scheduling Working Group of the IETF. Title : PIE: A Lightweight Control Scheme To Address the Bufferbloat Problem

Re: [aqm] New I-D: draft-briscoe-aqm-dualq-coupled-00.txt

2015-08-10 Thread Scheffenegger, Richard
Hi Yuchung, Bob, (w/o chair hat) Wouldn't be a sensible reaction, in the scenario sketched by Yuchung, to have at least one MSS memory available at all times for L4S queues, and drop from the classic queue if that cann't be guaranteed earlier? Best regards, Richard -Original

[aqm] WGLC on draft-ietf-aqm-eval-guidelines

2015-08-10 Thread Wesley Eddy
As chairs, Richard and I would like to start a 2-week working group last call on the AQM characterization guidelines: https://datatracker.ietf.org/doc/draft-ietf-aqm-eval-guidelines/ Please make a review of this, and send comments to the list or chairs. Any comments that you might have will be