netdev - Re: [PATCH iproute2 ] PIE: Proportional Integral controller Enhanced

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Message-ID: <20140109225217.3269b74a@nehalam.linuxnetplumber.net>
Date:	Thu, 9 Jan 2014 22:52:17 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Vijay Subramanian <subramanian.vijay@...il.com>
Cc:	netdev@...r.kernel.org, shemminger@...tta.com,
	Mythili Prabhu <mysuryan@...co.com>,
	Dave Taht <dave.taht@...ferbloat.net>
Subject: Re: [PATCH iproute2 ] PIE: Proportional Integral controller
 Enhanced

On Tue,  7 Jan 2014 22:00:39 -0800
Vijay Subramanian <subramanian.vijay@...il.com> wrote:

> From: Vijay Subramanian <vijaynsu@...co.com>
> 
> Proportional Integral controller Enhanced (PIE) is a scheduler to address the
> bufferbloat problem.
> 
> We present here a lightweight design, PIE(Proportional Integral controller
> Enhanced) that can effectively control the average queueing latency to a target
> value. Simulation results, theoretical analysis and Linux testbed results have
> shown that PIE can ensure low latency and achieve high link utilization under
> various congestion situations. The design does not require per-packet
> timestamp, so it incurs very small overhead and is simple enough to implement
> in both hardware and software.  "
> 
> For more information, please see technical paper about PIE in the IEEE
> Conference on High Performance Switching and Routing 2013. A copy of the paper
> can be found at ftp://ftpeng.cisco.com/pie/.
> 
> Please also refer to the IETF draft submission at
> http://tools.ietf.org/html/draft-pan-tsvwg-pie-00
> 
> All relevant code, documents and test scripts and results can be found at
> ftp://ftpeng.cisco.com/pie/.
> 
> For problems with the iproute2/tc or Linux kernel code, please contact Vijay
> Subramanian (vijaynsu@...co.com or subramanian.vijay@...il.com) Mythili Prabhu
> (mysuryan@...co.com)
> 
> Signed-off-by: Vijay Subramanian <subramanian.vijay@...il.com>
> Signed-off-by: Mythili Prabhu <mysuryan@...co.com>
> CC: Dave Taht <dave.taht@...ferbloat.net>

On the net-next-3.13 branch to be held until next merge window
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