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Why doesn't HuaSan do all-optical network?
As far as I know, Huawei, H3C, Fiberhome and Ruijie are the mainstream manufacturers of all-optical solutions in the market at present. The first three companies mainly bind operators based on POL protocol. For schools, the cost is very high. In addition, due to optical splitter's reasons, the bandwidth is only about 300M, which can't meet the bandwidth demand of current teaching. In addition, one of the major disadvantages of POL is that it cannot move from east to west, especially not suitable for LAN scenarios. At the same time, it is troublesome to attend classes in class A/B, which wastes time.

Ruijiede has different methods. It uses Ethernet+optical fiber. One is the bandwidth 1: 100M that can enter the room without any discount. In addition, it retains the Ethernet architecture. For school operation and maintenance personnel, there is no need to learn new protocols (needless to say, this advantage), and there is no need to replace old equipment. Just manage the whole network with SDN. Its key market is mainly education, because education is the base camp of Ruijie, and there have been some cases. You can learn about the campus solution of Wanlian all-fiber network.

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The English name of "allopticalnetwork" is AllopticalNetwork; All optical network; All-optical network. With the rapid development of Internet services and multimedia applications, the network traffic is rapidly expanding at an exponential rate, which requires the network to have the ability of high bit rate data transmission and high throughput. After the emergence of optical fiber communication technology, its huge potential bandwidth capacity of nearly 30THz has brought vigorous development opportunities to the communication field, especially since the information superhighway was put forward, optical technology has begun to penetrate the entire communication network, and optical fiber communication has a trend of promoting to all-optical networks. The so-called all-optical network means that the network transmission and switching process are all realized by optical fiber, because there is no need to realize electro-optical and photoelectric conversion in it, so the network speed can be greatly improved. The data shows that the access bandwidth of copper cable is only 5 12Kbps, but the bandwidth of all-optical network broadband can reach 50 to 100Mbps.