On 9/20/06, David Miller <davem@xxxxxxxxxxxxx> wrote:
From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxx> Date: Thu, 14 Sep 2006 14:12:07 -0300 > If not enough cwnd is available, tell the sender to check again as soon as > possible. This will increase CPU utilization (polling frequently for cwnd) but > will improve network performance. That is, the sender will need to wait less > before detecting the increase of cwnd. A better architecture would be for the > CCID to call-back (or dequeue) from DCCP when it is able to transmit traffic -- > not the other way around as it currently occurs.
Remember Dave merged my tx queueing recently so this is available now
Applied, but this is expensive. Consider having 100,000 DCCP sockets, some large percentage of which are polling in this manner, it simply doesn't scale.
Agree. -- Ian McDonald Web: http://wand.net.nz/~iam4 Blog: http://imcdnzl.blogspot.com WAND Network Research Group Department of Computer Science University of Waikato New Zealand - To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
