* [EMAIL PROTECTED] <[EMAIL PROTECTED]> [070404 19:03]: > Thanks - so you are suggesting we enable 802.3 flow-control / pause-frames? > (it's currently disabled)
I do, but do test it before you bet on it. I've never tested such a scenario but from my experience the lower the rtt the lesser are the problems that the high speed algorithms are trying to solve. Baruch > > -----Original Message----- > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED]; netdev@vger.kernel.org > Sent: Wed, 4 Apr 2007 8:39 AM > Subject: Re: TCP congestion control for fast, short-distance networks ? > > * [EMAIL PROTECTED] <[EMAIL PROTECTED]> [070404 18:29]: > >Hello, > > > >We are currently using both 1 Gb & 10 Gb links, that interconnect > several > servers that are very *local* to > >each other. > >Typical RTT times range from 0.2 ms - 0.3 ms. > > > >We are currently using TCP reno - is there a more suitable congestion > control > algorithm for our > >application, > >especially using the 10 Gb links ? > >(Most of the High-Speed TCP algorithms seem suitable for large RTT, > long-distance networks). > > I'm not aware of any tests for high speed links with very low RTTs, but > I suspect that the new algorithms will not change much, if the > connections you have are indeed local than the Ethernet pause mechanism > is more effective for the flow control you need. > > Baruch - 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
