Found this Guide while browsing, Decided to bring it to MMOwned.
Most of this stuff is for windows XP only.
Lower Your latency:
What you need to know: Absolutly nothing!
Time to run all optimizations: 10-20 min
Disclaimer: Some programs on here are not free, but all of them come with free trials, wich is what were using here.
Ok its time to begin:
Step 1: Lower the MTU size
What this dose: Basically forces wow to send smaller packets, lowering disconnects. and lowering latencies in some cases.
1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\Ndiswan\Parameters
3. On the Edit menu, point to New, and then click Key.
4. Type Protocols, and then press ENTER.
5. On the Edit menu, point to New, and then click Key.
6. Type 0, and then press ENTER.
7. On the Edit menu, point to New, and then click DWORD Value.
8. Type ProtocolType, and then press ENTER.
9. On the Edit menu, click Modify.
10. Type 800, and then click OK.
11. On the Edit menu, point to New, and then click DWORD Value.
12. Type PPPProtocolType, and then press ENTER.
13. On the Edit menu, click Modify.
14. Type 21, and then click OK.
15. On the Edit menu, point to New, and then click DWORD Value.
16. Type ProtocolMTU, and then press ENTER.
17. On the Edit menu, click Modify.
18. Type the appropriate MTU size (decimal value), and then click OK.
19. Quit Registry Editor.
Step 2: Take your 802.11a/b/g wireless card and switch it from all three to just b.
What this dose: For some reasions after doing several tests found wow runs fastest under the b setting. and slowest under the g and the a.
To do this: This changes from router to router. so it might be diffrent
in most casses:
1. Locate on the bottom left of your screen, near your clock, the wirelesss network conection
2. Right click it and click status
3. Then click suport
4. Locate default gateway
5. Enter that IP address in your explorer bar.
6. Its usualy under wireless settings, or network settings
7. Locate the option to change 802.11a/b/g to 802.11/b
Step 3: Download and install TCP/IP Optimizer
what it does: Reduces lag
1. Download and install Download TCP/IP Optimizer 1.00 - TCP/IP Optimizer is a internet speed optimizer. - Softpedia
2.Click the General Settings tab and select your Connection Speed (Kbps)
3.Click Network Adapter and choose the interface you use to connect to the Internet
4.Check Optimal Settings then Apply
5.Reboot
Step 4: Make shure XP is in DMA Mode
What it does: Raises FPS and in some cases reduced lag
To do this:
1.Open ‘Device Manager’
2.Double-click ‘IDE ATA/ATAPI Controllers’
3.Right-click ‘Primary Channel’ and select ‘Properties’ and then ‘Advanced Settings’
4.In the ‘Current Transfer Mode’ drop-down box, select ‘DMA if Available’ if the current setting is ‘PIO Only’
Step 5: Improve swapfile performance
What this does: Forces windows and wow to use all your ram befor virtual ram, raising FPS and lowering latency, and preventy freezze lag, and lowers disconect rate.
How to do this:
1.Go to Start then Run
2.Type “msconfig.exe” then ok
3.Click on the System.ini tab
4.Expand the 386enh tab by clicking on the plus sign
5.Click on new then in the blank box type”ConservativeSwapfileUsage=1?
6.Click OK
7.Restart PC
Step 6: Turn off windows firewal
What this does: Reduces lag
To do this:
1. From the Start menu, select Control Panel, then select Windows Firewall.
2. Select Off, then click Ok.
Hope it helps