How to release the Win7 limit to retain the bandwidth of

In the process of using the computer, there must be many people who feel that their Internet access speed is slow. Bandwidth refers to the amount of data that can be transmitted at a fixed time, that is, the ability to transmit data in the transmission pipeline. So, in fact, win7 has 20% of the bandwidth reserved, we can release it to increase the speed of the network, now follow the small series to learn how to release the Win7 limit to retain the bandwidth.
Method 1,
Enter Group Policy will "now retain bandwidth properties", select is enabled, and the value is adjusted to 0, not detailed here, the specific method can be found: let win7 system network How to increase the speed by 20%
Method 2,
1, this involves the modification of the registry, it is recommended that users who are not familiar with the computer first back up the registry, first open the run dialog and enter "ldedit; regedit" Enter the group table;

2, then expand to the "HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/Tcpip/Parameters" option;

3, then right click on the "Parameters" In the corresponding blank space on the right side of the subkey, select “New →DWORD value”, name it “ldquo;DefaultTTL”, then right click and select “Modify” to modify its value in the pop-up window. 80” (hexadecimal) or 128 (decimal);
4, then create a new “DWORD” value and modify its new value data (if there are two, the former is hexadecimal, The latter is decimal),
“Enabl ePMTUBHDetect”=“0”
<quo;EnablePMTUDiscovery”=“1”
<quo;GlobalMaxTcpWindowSize”=“7FFF” or“32767”
“TcpMaxDupAcks”=“2”
“SackOpts”=“1”
<quo;Tcp1323Opts”=“1”
<quo;TcpWindowSize”=“7FFF” or“32767”(93440 or 186880 or 372300, depending on network conditions ())
5, after exiting the registry, restart the computer to take effect.