How to improve the speed of the network? (a)

How to increase the speed of the network? I often see people in the forum asking how to improve the speed of the network. How to improve your computer network speed should be explained from two aspects, one is hardware and the other is software.

To improve the hardware speed of your computer's network speed, it depends on the bandwidth agreement you sign with telecom operators, such as Telecom, China Netcom (now China Unicom), mobile, Great Wall Broadband and other service providers. For example, if you are pulling 2M ADSL in the annual package, the speed of the network is definitely faster than the 4M ADSL of others. This bandwidth is the egress bandwidth of your network. How to optimize your software and operating system, and the network speed will not exceed the bandwidth allocated by the carrier.

Others use the 10M fiber-optic broadband of the community. Such a network is very fast when there are not many people using computers in the community. If you join the community, you are using it alone. Network, you can enjoy 10M bandwidth, but this is often not the case. There are dozens of households sharing a 10M bandwidth with you. If you use too many people, your network speed may even be 1M of others. ADSL is not as good. In this case, how to improve the speed of the network is not very useful for you.

Another hardware factor depends on the quality of your network equipment, network cable, and distance. For example, network cable, network cable is very important to improve the network speed:

In the T568A standard and T568B standard, only 1, 2, 3, and 6 lines of twisted pair are used, of which 1, 2 are used. Send, 3, 6 are used for reception, and 1, 2 must come from a pair, and 3, 6 must come from a pair. Only in this way can crosstalk be avoided to the maximum extent and data transmission is guaranteed. In practice, I found that the network cable that is not made according to the correct standard (T586A, T586B) has great hidden dangers. The performance is as follows: in one case, the network speed is very slow when it is first used; in another case, the network speed is normal, but after a while, the network speed is slow. The latter case is very obvious on a desktop computer, but the network speed is normal when checked with a laptop. For this problem, I have found through many years of practice that the slowdown of the network speed caused by the network cable not produced according to the correct standard is also related to the quality of the network card. Generally, the performance of a network card of a desktop computer is not as good as that of a notebook computer. Therefore, when using the exchange method to troubleshoot, the use of a laptop computer to detect the normal network speed does not preclude the problem that the network cable is not manufactured according to standards. We are now required to press the T586A, T586B standard to suppress the network cable, in the detection of failure can not always use a laptop instead of a desktop computer.

In the case of a certain amount of hardware, how to improve the network speed depends on the soft method of the respective computer. Such as windows xp /win7 system resources, system garbage, viruses, firewalls and other factors. The following are some tips on how to improve the speed of the network, you can step by step:

The first step, we should open the full duplex of the network card, and choose 10m full duplex, or 100m depending on the bandwidth of your network. Full-duplex. The network speed will increase a little;

The second part, run gpedit.msc, open the group policy, find the limited bandwidth of the branch option of the qos packet protocol, select its attributes, find the limit to retain the bandwidth. The attribute of the option is set to enable, the value is set to 0;

In the third step, we will start to adjust the value of the transmission unit buffer of the network. You can adjust it through the registry or adjust the software. I recommend using the optimization master here. Find the optimization unit's network optimization inside the transmission unit buffer, set the value to 40960 and click optimize, by the way, adjust the default group life to 64, ie the maximum thread connected at the same time is adjusted to 5 threads; Restart the computer.

(Note:

The three steps can also be modified by the registry: the location of the transfer unit buffer in the registry: HKEY_LOCAL_MACHINE\\System\\CurrentControlSet \\Services\\VxD\\MSTCP Key Name: DefaultRcvWindow, recommended value 40960; default grouping life DefaultTTL in the registry: HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\VxD\\MSTCP, Key Name: DefaultTTL Recommended value is 64 tcp concurrent connections The problem: The registry is located to [HKEY_LOCALL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip \\Parameters], right-click on the safe and reliable blank space on the right side, select "New → DWORD Value" in the pop-up menu, and create a new name "TcpNumConnections". DWORD value and modify its key value to 500 (decimal).)

If you are an xp-sp2 system, you must adjust the number of tcp concurrent connections to 500 threads. Everyone knows that Microsoft is forced for security reasons. Set sp2's tcp concurrency to 10 threads, we can set it by registry or special soft home.

All optimization is completed, but it is worth noting that the value of unit buffer of 40960 is my own. The best result of the actual calculation, the best setting after the difference between the daytime and the morning network speed, if it is greater than this value, the morning speed will be raised. It will have a big impact during the day, and vice versa. You can try this value yourself, but emphasize that how to improve the speed of the network is limited to broadband.

Here are some that can be optimized to some extent. System, how to improve the speed of the network of soft tips:

1, often "disk cleaning" and "disk defragmentation" When the hard disk has been used for a long time, numerous times to add, change and delete programs and files After that, it will cause a lot of intermittent sectors, more and more non-continuous files, the hard disk head will take more time to jump to read data, which will slow down the hard disk. Therefore, we should regularly perform "disk cleaning" and disk defragmentation;

2, mobile internet temporary files and temporary exchange files internet temporary files and temporary exchange files are temporary files generated when we go online, are generated The culprit of disk fragmentation, it is the best way to deal with it by leaving the system disk: (1) Right click on the internet explorer icon on the desktop, then click on the "Properties", out of the properties dialog box, and click "Settings" after the internet temporary file. ", in the settings dialog box that comes out, click to move the folder, then select the hard disk other than the system disk (such as D disk); (2), start - set - control panel - double-click the system, click "Settings" on the "Performance" item Click "Advanced" on the "Performance Options", "Change" in the "Virtual Memory" option point, select the hard disk other than the system disk, such as d, and finally determine. Shutdown and restart, ok. 3. Open 20% of wondows xp reserved The bandwidth wondows xp retains 20% of the bandwidth by default, we can turn it on and make full use of the bandwidth. Processing method: Click Start - Run, type gpedit.msc, open Group Policy - Computer Configuration - Administrative Template - Network - Qos Packet Scheduler, right-click the "Limit Retain Bandwidth" option on the right side of the window, click the "Properties" command, in the "Limit Retain Bandwidth Properties" dialog box that pops up In the “Settings” tab, check the “Enabled” radio button and set the “Bandwidth Limit” value below to “0.” Click OK, ok. Description, this step is important for how to increase the network speed. The above method is also said.

4, delete unnecessary system sound system sound is a set of sound solutions for computer events, the actual use is not useful, but also take up part of the system memory, kill It is a wise choice. Processing method: Right click on the small speaker in the notification bar, adjust the audio properties, click the sound in the property box, click “Delete” after the scheme, and then confirm, ok, actually for other chat clients. Should also turn off the sound, which has been written in the previous post, interested can go and see. 5, regularly clean up the internet pre-read file, the actual XP after a period of use, read-ahead The files in the folder will become very large, there will be dead chain files, which will slow down the system time. Suggestion: Delete regularly. Processing method: Right click on the internet explorer icon on the desktop, then click "Properties", and then click Properties. Dialog box, click "Delete Cookies" and "Delete Files" after the temporary Internet files. Reminder: Please select "Delete all offline files" when deleting files (More computer learning, computer basics, please go to http://Www.pc6c.com computer knowledge network). 6. Internet explorer IE is not the best browser, one of its shortcomings is that it takes up too much system resources, the first time to open IE, occupying about 7% of resources, after Each time an IE window is opened, it takes up about 4% of resources. Now online, the web page automatically opens up pop-up windows. It is natural to consume your memory quickly. It is not surprising that the CPU usage is often 100%. Using a third-party browser with a child window is a good choice. MyIE is recommended here. They are based on the IE kernel, but have made quite a lot of improvements. 7. Optimize the hard disk parameters. Right click on "My Computer", select "Properties", select the "Device Manager" tab under "Hardware", then find your hard drive in "Disk Drive" and view its properties. In the "Disk Properties" tab, select "Enable Write Cache"; in the "IDE Controller", view the properties of "Primary IDE Channel" and "Secondary IDE Channel" respectively, and set the "Device Type" in "Advanced Settings". For "Automatic Detection", "Transmission Mode" is set to "DMA (if available)".

8. Let the system automatically release system resources. Every time you run a program in Windows, system resources will be reduced. Even if the program is closed, there are some useless .DLL files in memory that are running, which slows down the system. You can modify the registry to automatically clean up unused DLL files and reclaim system resources after the program is closed. Solution: Run regedit to open the registry editor, find and select the HKEY_LOCAL_MACHINE\\SOFTWARE \\Microsoft\\Windows\\CurrenVersion\\explorer primary key, right click in the right pane, create a new string value, named AlwaysUnloadDll, and then the AlwaysUnloadDll key Change the value to 1, exit the registry, and restart your computer. 9. Fix your own DNS and IP Generally, XP/2000 automatically detects IP and DNS addresses, but we can set it up to improve system efficiency. If you want to contact the service provider, you can get your DNS and IP address. Solution: Click Start - Settings - Control Panel - double-click the network connection, click TCP/IP in the box, click Properties, click IP Address, select "Specify IP Address", fill in the IP address and sub-entry you obtained from the service provider. Mask; point DNS configuration, select "Enable DNS", fill in the server address you got, add. This step is also an urgent task for the increasingly polluted DNS. 10, on the use of ADSL cats because the cat's power requirements are actually very high, but we do not pay attention, the cat's power supply should try to use independent power cord, the middle should pay attention to avoid high-powered electrical equipment

, to prevent other electrical equipment from interfering with it, it is wise to take certain shielding grounding measures; also pay attention to choose a big brand cat and pay attention to the compatibility with the service provided by the service provider, if the ISP's central office equipment has Changes, then we may often drop the line, then it is recommended to download the Firmware version refresh program to "big cat" refresh, generally can be completely solved. In addition, to maintain a good heat dissipation effect, it is best to empty the underside of the cat. In fact, cats are very important. The quality and stability of cats directly affect how to improve the speed of the network.