Sunday, 13 November 2011

Enhancing Internet Performance

Tired of lags and slow browser performance? Need a little push in your internet speed? Here is a little something you can do to boost your internet performance.  

Disable Reserved Bandwidth:

          Windows reserves 20% of your bandwidth for QoS traffic, for example Windows Update, streaming videos or audio, Voip applications, etc.. You have an option to disable this reserved bandwidth to get access to 100% of your bandwidth. However, please take note that the 20% reserved bandwidth is only used when QoS applications need it. You always have access to 100% of your bandwidth when these QoS applications are not in use so only disable the 20% reserved bandwidth when it doesn't harm your experience with these applications.
  • Click on Start in the lower-left corner of your screen and type Regedit in the search box and press Enter on your keyboard
  •  In Regedit click your way through HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows
  • Right click on the Windows map and select New and Key from the dropdown menu and name the new map Psched
  • Double-click on the new Psched map and right click in the empty white screen on the right
  • Select New and DWORD (32-bit) Value from the dropdown menu
  • Name the new Dword Value NonBestEffortLimit
  • Right-click on your new NonBestEffortLimit key and select Modify from the dropdown menu
  • In the Value Data field make sure the value is 0 so the reserved bandwidth percentage is set to 0% (you can change the value to any percentage you want the reserved bandwidth to be, from 0 to 100)
  • Click OK and restart your PC to make the changes











 Accessing Google Cached Data:
            Another way of giving a boost to your internet browser is by accessing google's cached data by using google's DNS IP. Frequently used websites like Facebook, YouTube etc can be viewed more efficiently by using google's DNS ip.

 Why Google Public DNS?

            As web pages become more complex and include more resources from multiple origin domains, clients need to perform multiple DNS lookups to render a single page. The average Internet user performs hundreds of DNS lookups each day, slowing down his or her browsing experience. As the web continues to grow, greater load is placed on existing DNS infrastructure.
Since Google's search engine already crawls the web on a daily basis and in the process resolves and caches DNS information, we wanted to leverage our technology to experiment with new ways of addressing some of the existing DNS challenges around performance and security. We are offering the service to the public in the hope of achieving the following aims:
  • Provide end users with an alternative to their current DNS service. Google Public DNS takes some new approaches that we believe offer more valid results, increased security, and, in most cases, better performance.
  • Help reduce the load on ISPs' DNS servers. By taking advantage of our global data-center and caching infrastructure, we can directly serve large numbers of user requests without having to query other DNS resolvers.
  • Help make the web faster and more secure. We are launching this experimental service to test some new ways to approach DNS-related challenges. We hope to share what we learn with developers of DNS resolvers and the broader web community and get their feedback.

 Google Public DNS IP addresses

The Google Public DNS IP addresses (IPv4) are as follows:
  • 8.8.8.8
  • 8.8.4.4
The Google Public DNS IPv6 addresses are as follows:
  • 2001:4860:4860::8888
  • 2001:4860:4860::8844
       You can use either number as your primary or secondary DNS server. You can specify both numbers, but do not specify one number as both primary and secondary.
You can configure Google Public DNS addresses for either IPv4 or IPv6 connections, or both.

Microsoft Windows

DNS settings are specified in the TCP/IP Properties window for the selected network connection.
Example: Changing DNS server settings on Microsoft Windows 7
  1. Go the Control Panel.
  2. Click Network and Internet, then Network and Sharing Center, and click Change adapter settings.
  3. Select the connection for which you want to configure Google Public DNS. For example:
    • To change the settings for an Ethernet connection, right-click Local Area Connection, and click Properties.
    • To change the settings for a wireless connection, right-click Wireless Network Connection, and click Properties.
    If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  4. Select the Networking tab. Under This connection uses the following items, select Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6) and then click Properties.
  5. Click Advanced and select the DNS tab. If there are any DNS server IP addresses listed there, write them down for future reference, and remove them from this window.
  6. Click OK.
  7. Select Use the following DNS server addresses. If there are any IP addresses listed in the Preferred DNS server or Alternate DNS server, write them down for future reference.
  8. Replace those addresses with the IP addresses of the Google DNS servers:
    • For IPv4: 8.8.8.8 and/or 8.8.4.4.
    • For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
  9. Restart the connection you selected in step 3.
  10. Test that your setup is working correctly; see Testing your new settings below.
  11. Repeat the procedure for additional network connections you want to change.

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