Thread (9 messages) flat view 9 messages, 4 authors, 2015-07-24

Re: [RFC PATCH v2 net-next 3/3] tcp: add NV congestion control

From: Neal Cardwell <ncardwell@google.com>
Date: 2015-07-22 11:27:02

On Wed, Jul 22, 2015 at 2:50 AM, Yuchung Cheng [off-list ref] wrote:
On Tue, Jul 21, 2015 at 9:21 PM, Lawrence Brakmo [off-list ref] wrote:
quoted
This is a request for comments.

TCP-NV (New Vegas) is a major update to TCP-Vegas. An earlier version of
NV was presented at 2010's LPC (slides). It is a delayed based
congestion avoidance for the data center. This version has been tested
within a 10G rack where the HW RTTs are 20-50us.

A description of TCP-NV, including implementation and experimental
results, can be found at:
http://www.brakmo.org/networking/tcp-nv/TCPNV.html

The current version includes many module parameters to support
experimentation with the parameters.
...
quoted
+extern int sysctl_tcp_nv_enable;
The sysctl_tcp_nv_enable only seems to be used within the NV module.
Can it be a module parameter instead of sysctl?

neal
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