Home Router Experience Summary

Home routers are also widely used. First, let everyone know what is home routers and home routers, and then give a comprehensive introduction to solutions in practical applications. With the rapid economic development, more and more families have multiple computers. As a shared network device, home routers frequently appear in people's work, life, and study, it facilitates Internet sharing. However, many users are not familiar with the Internet access principle of home routers. Today, we will give you a detailed introduction to vrouters and give you an intuitive understanding of home routers.

What is vro

First, you must understand what a router is. The so-called "routing" refers to the act of transmitting data information from the source location to the target location through a interconnected network. The router is a tool for carrying out such transmission behaviors, it is a network device used to connect multiple networks or CIDR blocks. Routers can concatenate and translate data from different networks or CIDR blocks so that these different networks or CIDR blocks can read and understand each other's data, thus, a larger network can be formed to achieve interconnection between different networks or network segments.

Router appearance

Through the above introduction, presumably we have a preliminary understanding of the router, then we take the TP-LINK router as an example, to look at the real look at the appearance of the router, in order to have a more intuitive understanding of the router. At present, the common routers on the market are generally plastic casings, the models are relatively simple, the fuselage is divided into the front panel and rear panel. The front panel displays the indicators used to indicate the working status of the device. The indicators are M1, M2, and four LAN ports and WAN port indicators from left to right. The rear panel of the fuselage provides a 10/100 M Adaptive Ethernet WAN Interface for connecting to the upper-level network devices), Four 10/100 M Adaptive Ethernet LAN interfaces for connecting to computers in the network.

Main Performance Parameters of vro

Since its launch in early 1980s, vrouters have gradually developed so far, and their functions and performance have been greatly expanded and enhanced. At present, home routers have more and more functions, such as DDNS, NAT, and VPN. For some users who are familiar with vrouters, reading these terms is simply reading tianshu. How can we make the purchased vrouters play their expected performance? Below I will introduce some common performance parameters of the vro to the readers, hoping to help users who first know the home vro.

CPU

Like a computer, a router also contains a central processor, that is, a CPU, which is the core component of a router. Vrouters of different generations and models have different CPUs. The processor performance directly affects the route table query time of the Home Router throughput) and the route computing capability affect the network route convergence time ). Generally, if the processor clock speed is less than m, this low-end home router is suitable for ordinary home and SOHO users. M to M is a medium frequency, and m or above is a relatively high frequency, suitable for Internet cafes, small and medium enterprises users and branches of large enterprises.

Memory

Vro may have multiple types of memory. Currently, home routers generally use read-only memory ROM), Random Access Memory RAM), non-volatile memory NVRAM), and Flash memory) four different types of memory, each of which assists the router in different ways. The memory is used for storage configuration, router operating system, and routing protocol software. In the middle and low-end routers, the route table may be stored in the memory. Generally, the larger the vro memory, the better. However, efficient algorithms and excellent software can greatly save the memory. Memory can be measured in Byte bytes) or Bit. The difference between the two is eight times the difference in size (1 Byte = 8 Bit ). In the current home router memory, 1 MB to 4 MB Bytes is low, 8 Mb Bytes is medium, and 16 MB Bytes or above is large memory.

Throughput

Data in the network is composed of data packets, which consume resources to process each data packet. Throughput refers to the number of packets passed per unit time without packet loss, that is, the ability of the device to forward data packets, and is an important indicator of the device performance. Vro throughput represents the amount of data that the vro can process per second, which is an intuitive reflection of the vro performance.

Network protocols supported

Just as people speak in a language, there is also a language between various computers on the network. This is the network protocol, different computers must abide by the same network protocol to communicate with each other. Common protocols include TCP/IP, IPX/SPX, and NetBEUI. IPX/SPX is usually used in LAN. If you access the Internet, you must add the TCP/IP protocol to the network protocol.

Wire speed forwarding capability

When the maximum rate of a port is reached, no packet loss occurs in the data transmitted by the router. The most basic and important function of a router is packet forwarding. packet forwarding at the same port rate is the greatest test of the packet forwarding capability of a home router, full-duplex line rate Forwarding is based on the minimum packet length Ethernet 64 bytes and POS port 40 bytes. The minimum packet interval complies with the protocol.) bidirectional transmission on the router port does not cause packet loss. Line rate Forwarding is an important indicator of the performance of home routers. Simply put, the amount of incoming traffic is the amount of outgoing traffic, and the throughput will not decrease due to the processing capability of the device.

Number of hosts

It is easy to understand the number of computers that can be loaded by routers. On the performance parameter table introduced by the manufacturer, you can often see that your home router can contain 200 pcs and 300 PCs, however, in many cases, the performance of home routers differs greatly from the nominal value. This is because the number of home routers is directly affected by the Network busy in the actual use environment, and the number of home routers varies greatly in different network environments. For example, in Internet cafes, almost all people chat online, play games, and watch online movies at the same time. These data must pass through the WAN port, and the load on home routers is very heavy. While on the enterprise network, only a small number of people are using the network at the same time, and the router load is very light. Therefore, if you place a vro in a CEN with 200 pcs in an Internet cafe, 50 PCs may not be moved. Estimating the average data traffic of each PC in a network cannot be accurate.