Teq
02-06-2008, 08:55 AM
I found this on my guildforum today (Thanks Moon). Although i dont realy understand it, it looks like it could be quite usefull for some of you.
Have a look :D
My latency was usually about 200 and by using the information in this thread ('http://elitistjerks.com/f15/t17761-server_locations_latency_australia/'), I managed to reduce latency to constant 100. Here's a summary of relevant information:
To get low pings with 2 simple registry hacks do the following. You need to apply both registry changes to get the maximum effect.
1 - TcpAckFrequency - NOTE if you are running Windows Vista this setting may not have any effect - a hotfix is needed which i'm tracking down. This works fine under Windows XP
Type "regedit" in windows "run.." dialog to bring up registry menu
Then find:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters\Interfaces\
There will be multiple NIC interfaces listed in there, find the one you use to connect to the internet, there will be several interfaces listed (they have long names like {7DBA6DCA-FFE8-4002-A28F-4D2B57AE8383}. Click each one, the right one will have lots of settings in it and you will see your machines IP address listed there somewhere. Right-click in the right hand pane and add a new DWORD value, name it TcpAckFrequency, then right click the entry and click Modify and assign a value of 1.
You can change it back to 2 (default) at a later stage if it affects your other TCP application performance. it tells windows how many TCP packets to wait before sending ACK. if the value is 1, windows will send ACK every time it receives a TCP package.
2 - TCPNoDelay
This one is pretty simple
Discussed here ('http://technet2.microsoft.com/windowsserver/en/library/e6491291-872e-4260-8ced-77525b0d79a51033.mspx?mfr=true')
Type "regedit" in windows "run.." dialog to bring up registry menu
Then find:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Paramet ers
Right-click in the right hand pane and add a new DWORD value, name it TCPNoDelay, then right click the entry and click Modify and assign a value of 1.
Click Ok and close the registry editor, then reboot your PC.
For people with Vista there might be additional steps needed:
For Vista users, you can download this hotfix from here.
Vista 32 bit - http://thehotfixshare.net/board/index.php?showtopic=3265
Vista 64 bit - http://thehotfixshare.net/board/index.php?showtopic=5976
You will have to register on that site to download it, but it is free and I have never received any kind of ads or spam from them. Pretty good site for Windows hotfixes that are generally unpublished to the public on any kind of widespread basis.
Use it at your own risk, but it helped for me to cut latency in half :)
Have a look :D
My latency was usually about 200 and by using the information in this thread ('http://elitistjerks.com/f15/t17761-server_locations_latency_australia/'), I managed to reduce latency to constant 100. Here's a summary of relevant information:
To get low pings with 2 simple registry hacks do the following. You need to apply both registry changes to get the maximum effect.
1 - TcpAckFrequency - NOTE if you are running Windows Vista this setting may not have any effect - a hotfix is needed which i'm tracking down. This works fine under Windows XP
Type "regedit" in windows "run.." dialog to bring up registry menu
Then find:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters\Interfaces\
There will be multiple NIC interfaces listed in there, find the one you use to connect to the internet, there will be several interfaces listed (they have long names like {7DBA6DCA-FFE8-4002-A28F-4D2B57AE8383}. Click each one, the right one will have lots of settings in it and you will see your machines IP address listed there somewhere. Right-click in the right hand pane and add a new DWORD value, name it TcpAckFrequency, then right click the entry and click Modify and assign a value of 1.
You can change it back to 2 (default) at a later stage if it affects your other TCP application performance. it tells windows how many TCP packets to wait before sending ACK. if the value is 1, windows will send ACK every time it receives a TCP package.
2 - TCPNoDelay
This one is pretty simple
Discussed here ('http://technet2.microsoft.com/windowsserver/en/library/e6491291-872e-4260-8ced-77525b0d79a51033.mspx?mfr=true')
Type "regedit" in windows "run.." dialog to bring up registry menu
Then find:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Paramet ers
Right-click in the right hand pane and add a new DWORD value, name it TCPNoDelay, then right click the entry and click Modify and assign a value of 1.
Click Ok and close the registry editor, then reboot your PC.
For people with Vista there might be additional steps needed:
For Vista users, you can download this hotfix from here.
Vista 32 bit - http://thehotfixshare.net/board/index.php?showtopic=3265
Vista 64 bit - http://thehotfixshare.net/board/index.php?showtopic=5976
You will have to register on that site to download it, but it is free and I have never received any kind of ads or spam from them. Pretty good site for Windows hotfixes that are generally unpublished to the public on any kind of widespread basis.
Use it at your own risk, but it helped for me to cut latency in half :)