On Fri, Jun 24, 2011 at 11:21:11AM -0400, Vladislav Yasevich wrote: > First, let me state that I mis-understood what the patch is attempting to do. > Looking again, I understand this a little better, but still have reservations. This explains a lot :) > If we treat the window as strictly available data, then we may end up sending a lot more traffic > then the window can take thus causing us to enter 0 window probe and potential retransmission > issues that will trigger congestion control. > We'd like to avoid that so we put some overhead into our computations. It may not be ideal > since we do this on a per-chunk basis. It could probably be done on per-packet basis instead. > This way, we'll essentially over-estimate but under-subscribe our current view of the peers > window. So in one shot, we are not going to over-fill it and will get an updated view next > time the SACK arrives. I will update my patch to include a per packet overhead and also fix the retransmission rwnd reopening to do the same. -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
