On Mon, 30 Jan 2006 02:59:19 -0600 Saurabh Jain <[EMAIL PROTECTED]> wrote:
> Linux tcp code seems to indicate that the maximum value of congestion > windows snd_cwnd should not exceed the value of snd_cwnd_clamp which > most of the time is 65535. Is that correct? If so does this mean that > over a path with RTT of 1s and available bandwidth of 1gbps , the > maximum achievable rate is 786mbps for an MTU of 1500 bytes provided > the connection is not limited by the sending and receiving buffer > size. Yeah, that looks about right. But 1 second is a huge RTT for anything but satellite. snd_cwnd_clamp could be changed from u16 to u32 without a lot of problem. -- Stephen Hemminger <[EMAIL PROTECTED]> OSDL http://developer.osdl.org/~shemminger - 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
