[Guide] Reduce lag or Disconnect

i'm trying to shares my experience for u guys. since i 've DC ( maybe bug or DNS problem..... ) i 've found some guide to be able reduce lag in games and DC .However this guide not support all for u ......
First i will shares u a program help u config ur internet better than normal

TCPOPtimizer

Description: The TCP Optimizer is a free, easy Windows program that provides an intuitive interface for tuning and optimizing your Internet connection. There is no installation required, just download and run.

The program can aid both the novice and the advanced user in tweaking related TCP/IP parameters in the Windows Registry, making it easy to tune your system to the type of Internet connection used. The tool uses advanced algorithms, and the bandwidth*delay product to find the best TCP Window for your specific connection speed. It provides for easy tuning of all related TCP/IP parameters, such as MTU, RWIN, and even advanced ones like QoS and ToS/Diffserv prioritization. The program works with all current versions of Windows, and includes additional tools, such as testing average latency over multiple hosts, and finding the largest possible packet size (MTU).

The TCP Optimizer is targeted towards broadband internet connections, however it can be helpful with tuning any internet connection type, from dialup to Gigabit+

If you need help with the program, check the TCP Optimizer documentation, read our broadband tweaking articles, the Optimizer FAQ, and/or visit our Forums. The program can be freely (re)distributed, as long as you give us proper credit as the author, and it is not sold for profit.

Link download : Download site
Tip How To Config for better internet or game connection :

TCP Optimizer:

Tab General Settings :
Custom settings - stick
Modify All Network Adapters - stick
network adapter selection - Your nick ( network connection adapter )
MTU 1492
TTL - 64
TCP Receive Window - 255552
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max Duplicate ACKs - 2
TCP 1323 Options:
Windows Scaling - stick
Timestamps - no stick

Tab Advanced Settings :
Max Connections per Server - 10
Max Connections per 1.0 Server - 20
LocalPriority - 1
Host Priority - 1
DNSPriority - 1
NetbtPriority - 1
Lan Browsing speedup - optimized
QoS: NonBestEffortLimit - 0
ToS: DisableUserTOSSetting - 0
ToS: DefaultTOSValue - 80
MaxNegativeCacheTtl - 0
NetFailureCacheTime - 0
NegativeSOACache Time - 0
LAN Request Buffer Size - 32768

after done all apply to change and restart your computer
finally check your connection status in here http://www.speedguide.net/analyzer.php
please post your status in here so i can able to help you config that

Question and Answer

1: can i use that in Vista Windows?
===> No , it doesn't support for window vista
2: Can i use this with another increase internet speed like "CfoS Speed, DSL Speed, Full Speed, Tweak Master, Auslogic BootSpeed......."
===> No , Cause it will against each other and ur connection will reduce or broken Windows( If u already have another speed program so u need uninstall it first then use CCleaner to clean your registry
3: Some game online or website blocked my ip so can i able to use sock or proxy when using TCPOPtimizer
===> No... Turn off ur sock or proxy when using this

OpenDNS

i'm recommened you should open your DNS for Internet safer, faster, smarter and more reliably than ever before.
ok should start with website : http://www.opendns.com/ ( easy for use this website ) and it also give you guide for config DNS
So How It Work :

OpenDNS is the world's most intelligent DNS service. Our global network and our software work together symbiotically to offer a set of features custom-tailored to you, without requiring you to buy any hardware or install any software.

You Can Find More infomation in here :