Router PCB&PCBA SMT photo
Router PCB&PCBA board made by Tmpking technology Co.,LTD.
1. Network interconnection: The router supports various LAN and WAN interfaces, which are mainly used to interconnect LAN and WAN to realize communication between different networks;
2. Data processing: Provide functions including packet filtering, packet forwarding, priority, multiplexing, encryption, compression, and firewall;
3. Network management: The router provides functions including router configuration management, performance management, fault tolerance management, and flow control.
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Routers can also be called gateway devices. The router is the network layer relay and the third layer relay task completed in OSI/RM. It stores and forwards packets between different networks. It mainly separates the networks in different logics. The data is transmitted from one subnet to another, and can be processed by the router's routing function. In network communication, the router has the functions of judging the network address and selecting the IP path. It can build a flexible link system in multiple network environments and link each subnet through different data packets and medium access methods. The router only accepts the information transmitted by the source station or other related routers during operation, and it is an interconnected device based on the network layer.
Routers are usually located at the network layer, so routing technology is also a technology related to the network layer. There are many changes and differences between routers and early bridges. Generally speaking, the limitation of the bridge is relatively large. It can only connect to networks with the same or similar data link layers, and cannot connect to networks with large differences between the data link layers. But the router is different. It breaks this limitation and can connect any two different networks. However, there is a principle to be followed between these two different networks, which is to use the same network layer protocol so that they can be connected by the router. Routing technology is simply a technology for forwarding and exchanging a large number of information on the network. Specifically, it transmits information from the source address to the destination address through the Internet. Routing technology has also made good development and progress over the past few years, especially the emergence of fifth-generation routers, which has satisfied people's comprehensive application of data, voice, and images. It has been gradually selected by most home networks and widely used. In addition, in recent years, China's routing technology has become more and more mature, but also combined with contemporary intelligent technology, so that people can experience the rapid and rapid effect in the process of using routing technology, thereby promoting and promoting Internet and network technology development.
The router is the main node device of the Internet. The router determines the data forwarding through routing. The forwarding strategy is called routing, which is the origin of the router name. As a hub for interconnection between different networks, the router system constitutes the main context of the Internet based on TCP/IP. It can also be said that the router constitutes the skeleton of the Internet. Its processing speed is one of the main bottlenecks of network communication, and its reliability directly affects the quality of network interconnection. Therefore, in the campus network, regional network, and even the entire Internet research field, router technology has always been at the core position, and its development process and direction have become a microcosm of the entire Internet research. At the moment when China's network infrastructure and information construction are in the ascendant, the role, status and development direction of routers in interconnected networks are discussed. For domestic network technology research, network construction, and the clear interconnection between routers and networks in the network market The various plausible concepts have important meanings.