Hello, On Sat, Jun 25, 2011 at 15:28, Manfred Haertel <manfred.haer...@rz-online.de> wrote: > The slirp utility defers the TCP ACK for 200 milliseconds (which may be a > good idea on a slow modem connection, but not in an UML environment). > > This limits the throughput to something around 9000 bytes (the TCP window > size) in 0.2 seconds, leading to something around 45 or 46 kBytes per > second. > > The solution is a very small patch to slirp to send out the ACK immediatly. > Now I have also full speed when sending data from the UML guest to the host! > :-) >
Debian has merged this patch into their slirp package starting from version 1.0.17-6. So the `slirp-fullbolt` command on wheezy will soon implement a real full-bolt :-) See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=658359 Thanks for the patch! Riccardo ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
