On Thu, 28 Sep 2006 11:07:18 +0100 Douglas Leith <[EMAIL PROTECTED]> wrote:
> Content-Type: text/plain; charset=UTF-8; format=flowed > Content-Transfer-Encoding: 7bit > > Steve, > > I think we're all conscious of the fact that recent history contains > quite a number of proposals for changes to tcp's congestion control > algorithm for high bandwidth-delay product paths that on closer > inspection have proved problematic in one way or another. It seems to > be a hard problem to solve, so maybe that's fair enough and hopefully > we'll end up with a workable solution soon. > > Where I'm coming from here though is that bic was made the linux default > a year or so ago at a time when there were essentially no tests > available on its performance other than the infocom paper by Injong. > Subsequent tests have since highlighted a bunch of issues with bic. To > my knowledge, we're currently in a similar situation with cubic as we > were with bic back then i.e. essentially no independent tests > investigating its behaviour. > > Of course I know Injong has posted some test results, but these are > hardly independent as he's the author of both bic and cubic. Have there > perhaps been private tests carried out (e.g. by osdl) ? If so, would it > be possible to make them public ? If not, well that would be good to > know too. > > Doug > > Hamilton Institute > www.hamilton.ie To get some exposure, how about moving the cubic patch off to -mm kernel tree for one release, and leave BIC as the default for 2.6.19 - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
