Re: network tuning for high bandwith and high latency

2011-12-03 Thread Henning Brauer
* Sebastian Reitenbach sebas...@l00-bugdead-prods.de [2011-12-03 01:12]: Thanks to your pointers on icb, I found the autosizing algorithm at the end of netinet/tcp_userreg.c. There I saw its comparing the actual value of fill level of the buffer, and how much got transferred against a

Re: network tuning for high bandwith and high latency

2011-12-03 Thread Sebastian Reitenbach
Hi, On Saturday, December 3, 2011 14:24 CET, Henning Brauer lists-open...@bsws.de wrote: * Sebastian Reitenbach sebas...@l00-bugdead-prods.de [2011-12-03 01:12]: Thanks to your pointers on icb, I found the autosizing algorithm at the end of netinet/tcp_userreg.c. There I saw its

network tuning for high bandwith and high latency

2011-12-02 Thread Sebastian Reitenbach
Hi, I'm trying to tune the network speed of OpenBSD box for high bandwidht, and high latency. The box is connected to a 155MBit Internet uplink. Hosts I have here next to me: An old OpenBSD 4.4 box, used as server firewall, in front of a Linux http server. A new OpenBSD 5.0 box, used as http

Re: network tuning for high bandwith and high latency

2011-12-02 Thread Kenneth R Westerback
On Fri, Dec 02, 2011 at 02:08:57PM +0100, Sebastian Reitenbach wrote: Hi, I'm trying to tune the network speed of OpenBSD box for high bandwidht, and high latency. The box is connected to a 155MBit Internet uplink. Hosts I have here next to me: An old OpenBSD 4.4 box, used as server

Re: network tuning for high bandwith and high latency

2011-12-02 Thread Sebastian Reitenbach
On Friday, December 2, 2011 15:04 CET, Kenneth R Westerback kwesterb...@rogers.com wrote: On Fri, Dec 02, 2011 at 02:08:57PM +0100, Sebastian Reitenbach wrote: Hi, I'm trying to tune the network speed of OpenBSD box for high bandwidht, and high latency. The box is connected to a

Re: network tuning for high bandwith and high latency

2011-12-02 Thread Henning Brauer
* Sebastian Reitenbach sebas...@l00-bugdead-prods.de [2011-12-02 15:22]: On Friday, December 2, 2011 15:04 CET, Kenneth R Westerback kwesterb...@rogers.com wrote: On Fri, Dec 02, 2011 at 02:08:57PM +0100, Sebastian Reitenbach wrote: Hi, I'm trying to tune the network speed of

Re: network tuning for high bandwith and high latency

2011-12-02 Thread Sebastian Reitenbach
On Friday, December 2, 2011 15:30 CET, Henning Brauer lists-open...@bsws.de wrote: * Sebastian Reitenbach sebas...@l00-bugdead-prods.de [2011-12-02 15:22]: On Friday, December 2, 2011 15:04 CET, Kenneth R Westerback kwesterb...@rogers.com wrote: On Fri, Dec 02, 2011 at 02:08:57PM

Re: network tuning for high bandwith and high latency

2011-12-02 Thread Henning Brauer
* Sebastian Reitenbach sebas...@l00-bugdead-prods.de [2011-12-02 16:16]: On Friday, December 2, 2011 15:30 CET, Henning Brauer lists-open...@bsws.de wrote: well, you actually found the answer yourself. if your em is running at 100M the 10MByte/s download is superb. Why it isn't going to

Re: network tuning for high bandwith and high latency

2011-12-02 Thread Sebastian Reitenbach
Hi, On Friday, December 2, 2011 19:41 CET, Henning Brauer lists-open...@bsws.de wrote: * Sebastian Reitenbach sebas...@l00-bugdead-prods.de [2011-12-02 16:16]: On Friday, December 2, 2011 15:30 CET, Henning Brauer lists-open...@bsws.de wrote: well, you actually found the answer