On Mon, 14 Mar 2016, Yuchung Cheng wrote: > On Thu, Mar 3, 2016 at 10:06 AM, Bendik Rønning Opstad > <bro.de...@gmail.com> wrote: > > > > Redundant Data Bundling (RDB) is a mechanism for TCP aimed at reducing > > the latency for applications sending time-dependent data. ... > > diff --git a/Documentation/networking/ip-sysctl.txt > > b/Documentation/networking/ip-sysctl.txt > > index 6a92b15..8f3f3bf 100644 > > --- a/Documentation/networking/ip-sysctl.txt > > +++ b/Documentation/networking/ip-sysctl.txt > > @@ -716,6 +716,21 @@ tcp_thin_dpifl_itt_lower_bound - INTEGER > > calculated, which is used to classify whether a stream is thin. > > Default: 10000 > > > > +tcp_rdb - BOOLEAN > > + Enable RDB for all new TCP connections. > Please describe RDB briefly, perhaps with a pointer to your paper. > I suggest have three level of controls: > 0: disable RDB completely > 1: enable indiv. thin-stream conn. to use RDB via TCP_RDB socket > options > 2: enable RDB on all thin-stream conn. by default > > currently it only provides mode 1 and 2. but there may be cases where > the administrator wants to disallow it (e.g., broken middle-boxes). > > > + Default: 0
A per route setting to enable or disable tcp_rdb, overriding the global setting, could also be useful to the administrator. Just a suggestion for potential followup work. -Bill