Thursday, December 10, 2009

DECRASE OF LATENCY BY 80-160ms




For Windows XP:

Only requires you to change two things in the windows registry, allowing your ping to drop by 80-175MS.

Process :

Start>RUN>regedit>ENTER

1:

In the regedit window ( called "Registry Editor") find (EDIT>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 (6DBA9DEN-7AOE-4C03-B60F-ADB1777C41D4). Click each one of them, 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.

2:

In the regedit window ( called "Registry Editor") find (EDIT>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.

That's all.

Don't forget to make a backup of your registry before.

For Windows Vista:
If you are unable to find the MSMQ subkey under the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft node there is a good reason for that. Actually, by default, MSMQ subkey does not exist in Windows Vista OS. However, if you want to change it to improve ICMP (Ping) behavior, you can add it manually.

For your convenience, I provide a method here:

1) Create a new Text Document (*.txt).
2) Copy and paste the following contents (without the equal mark "===") into the Text Document.
============================================================
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Parameters]
"TCPNoDelay"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Parameters\OCMset up]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Parameters\Securi ty]
"SecureDSCommunication"=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Parameters\setup]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Setup]
============================================================
3. Save and close the Document.
4. Change the file extension *.txt to *.reg. (Note: if you are unable to view the file extension, please double-click Computer, click Tools menu > Folder Options > on the View tab, clear the checkbox before "Hide extensions for known file type" > click OK.)
5. Double-click the *.reg file (Note: If prompted, please click Continue on the User Account Control (UAC) window.) You'll get a registry editor warning stating "Are you sure you want to continue", please click Yes.

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