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Speed Up Your Internet By Tweaking


anuseems

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Google and several DNS resolution and content delivery network (CDN) companies joined forces to enhance Internet speed by localizing domain name system (DNS) resolution responses. This move should reduce delays in downloading online content due to failure to find the closest CDN server of the website being visited. All you need to do is change the DNS server address of your computer to enjoy the benefits of the new DNS resolution standard.

Internet Speed : The EDNS – Client – Subnet Standard

This is the name of the new domain name resolution protocol forged by Google and its industry partners. Under this standard, your computer's location will be taken into account when finding the server of the web site being visited. But isn't that how the current system works? Definitely not.

The process of downloading a website begins with a search of the IP address of its host or cache server. This is the job of the DNS. Your ISP's DNS server is the one that initiates the IP search.

A website could have copies stored in many servers located in various places, each having its own IP address. These servers are operated by CDN providers. Websites with copies stored in many CDN cache servers are therefore associated with many IP addresses. The DNS server of your ISP attempts to find the server closest to itself, not the one closest to your computer. What if your ISP server and your computer are 10 cities apart? Who wants to waste Internet speed due to poor DNS resolution standard?

The edns-client-subnet standard is developed to address the inefficiency of the current DNS resolution standard in order to minimize download latency. This standard requires DNS servers to know the location of the client so that the CDN cache server closest to it can be located. This will guarantee that the Internet surfer will be directed to the cache server closest to his current location, and not the location of his ISP DNS server, thereby minimizing the dampening effect of geographic distance on Internet speed.

The edns-client-subnet standard is only implemented by a number of CDN companies. As of now, you need to use the server addresses of either Google Public DNS or Open DNS to experience the new DNS resolution standard.

IPv4 Addresses of Google Public DNS:

8.8.8.8

8.8.4.4

IPv6 Addresses of Google Public DNS:

2001:4860:4860::8888

2001:4860:4860::8844

OpenDNS

208.67.222.222

208.67.220.220

208.67.222.220

208.67.220.222

Find and Change Your Current DNS Address to Boost Internet Speed

For Mac OS X

Go to System Preferences-> Network.

Select the connection you want to configure. Then click Advanced.

Click the DNS tab on the menu bar. Click the plus sign at the bottom of the screen to add the DNS server address of Google Public DNS or OpenDNS. Click Apply and OK.

For Vista and Windows 7

Go to Start Menu-> Control Panel-> Network and Sharing Center.

Choose Manage Network Connections for Vista or Change Adapter Settings for Windows 7.

Right click the network connections you want to change, then choose Properties.

Click the Networking tab on the menu bar.

Choose either Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 and go to Properties.

You will see a new window like the one below.

Choose Use the Following DNS Server Address. Add either the Google Public DNS or OpenDNS IP addresses.

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@anuseems,

Thanks for the post.

Have you tried it & does it make a significant difference in speed? Are there any drawbacks?

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I use open DNS, never had any problems - and in most cases yes other dns servers are faster then your orignal ISP.

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D/ Rudrax

I have noticed considerable improvement on dial up after configuring dial up on client and open dns on server .There was not much noticable change on 4MBPS LINE.

@tezza since not much of changes till ipv6 is officially adopted and applied the 2011 contents mentioned in the article are valid even today and tomorrow with proven findings.

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Choose either Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 and go to Properties.

You will see a new window like the one below.

Choose Use the Following DNS Server Address. Add either the Google Public DNS or OpenDNS IP addresses.

It's not a simple matter of 'either or'

That setting will have to be done on both. Most of the websites use IPv4 as IPv6 is a WIP.

Moreover, the above internet connection is just basic tweaking by DNS change of servers, what about the more advanced networking tweaks such as:-

  • MTU size & discovery
  • DNS Query timeout
  • TTL
  • Large TCP window support
  • Bandwith delimiting
  • QoSPacket scheduler bandwith delimiting
  • Network adapter onboard processor boost
  • Black hole router detection
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SG TCP Optimizer

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 Windows, 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+ :) It is completely free, requires no insatllation, and has been downloaded over 3 Million times.

Download: http://www.speedguide.net/files/TCPOptimizer.exe

Info: http://www.speedguide.net/tcpoptimizer.php

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