Lagfix #1 Disable Nagles Algrorythm
1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\Software\…[the rest of the path goes to where the client app for your game is]
3. On the Edit menu, point to New, and then click DWORD Value.
4. Type TcpNoDelay for the name of the DWORD, and then press ENTER. Repeat Step 3 and type TcpAckFrequency (Both are Case sensitive)
5. Right-click TcpNoDelay, and then click Modify. Repeat with TcpAckFrequency
6. In the Value data box, type 1 to turn on the Nagle algorithm socket option, or type 0 to turn off the option. Repeat for both
7. Click OK, and then quit Registry Editor.
Lagfix #2 Changing your MTU.
A common mistake is people think the lower your MTU is the better, well this is wrong. You need to find out your best MTU value, which is right before the packets fragment, mine is 1468. You want to find when the packet fragments, then add 20 to the value. To learn how, please refer to this website:
Lagfix #3 Taking Back 20% of your bandwidth
This is also commonly mistaken as being necessary, Vista only uses 20% of the bandwidth when the program that uses it is running, which is very rarely. If you still want to do so, here is instructions how to do it.
1. Open run.exe via the start menu under All Programs -> Accessories -> Run.exe.
2. Type Regedit into the box and press Enter.
3. Navigate to “HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Wi ndows”. In the left pane, right-click on Windows and create a new key called “Psched“, then right click on the blank white part in the right pane and create a new “DWORD” entry by clicking the "New DWORD" option. Name it “NonBestEffortLimit” and set the value to zero to disable the reserve bandwidth.
4. Reboot your computer.
Lagfix #4 (Wireless only) Controlling Vista's Auto WLAN Configuration.
By default on Vista, wireless access points are searched for every 1 - 2 minutes, which can cause a hiccup in your internet which is very inconvenient. Disabling the WLAN Configuration will result in not being able to connect to any wireless networks, so I use a tool called "WLAN Optimizer" Google it, download and run it. Make sure Auto Configuration is turned on and it is set to start with windows in the Settings tab. That's all there is too it.
Other reasons you are experiencing problems:
1. Your router is overheating, if you have a Linksys router, the new ones that look like a space ship you need to get it up off the area it is sitting about 2 inches to allow better air flow, I use 2 stacks of CD's on either side so it sits up and still has space under it until I get some pegs to glue on it.
2. Your graphics card is overheating
3. Your graphics card isn't powerful enough to display at a decent FPS.
For problems 2 and 3 see this thread:
4. You don't have enough RAM to run your game, upgrade your RAM, I recommend having at least 3 gigs of RAM.
5. You have ISP related Latency issues, call your ISP's tech line and have them analyze your connection and dispatch a service call if needed.
If you do everything I've listed above you are bound to be lagless. I've been experiencing high latency issues for awhile now, along with 2,000ms+ spikes every minute - 2 minutes. After calling my ISP to fix my connection, overclocking my GPU, and using WLAN Optimizer I've gone from 200ms+ and only 120 kb/s Downloads to a constant to 50 - 60ms (I live in Idaho) and 400 - 500 kb/s downloads, and only running at 30fps on my GPU, now I run at 99fps (Frames Per Second).
I hope you find this thread helpful, if it all works for you give me a thanks for researching and putting this all together!
ima try it
