In some scenarios, since the previous device port is still the original old-fashioned interface, a converter will be used to meet the application of the new port....

The battle between IP and DWDM!

China telecom obtained a bandwidth of 100MHz in the frequency range of 3,400mhz ~3500MHz. China Unicom got the bandwidth of 100MHz in the frequency range of 3500MHz~3600MHz. China Mobile had obtained 2515MHz~2675MHz,...

One article helps you clearly know what is CDN

Super VLAN-Super VLAN technology

The wide application of information technology in the military field has presented a brand-new appearance to the combat mode and means of the army and promoted the transformation of the form of war from mechanization to informatization. New forms of warfare,...

AWG (Arrayed Waveguide Grating) is the preferred technology in Dense Wavelength Division Multiplexing (DWDM). A grating formed by a group of arrayed waveguides with equal length differences has the ability to split waves....

The most common data exchange methods in communication networks are circuit switching ( Circuit Switching) and packet switching (Packet Switching) . The main difference between them is that packet switching is connectionless, while circuit switching is c...

The shift to cloud services and virtualized networks has made data centers the center of the industry, meaning that the connections within and between data centers have a significant impact on the delivery of business and personal services. Huge data centers...

The transmission network is mainly divided into three layers: core layer, aggregation layer, access layer

The traditional 100G optical module uses 4 25G optical channels, and the 4 optical channels realize 100G transmission through wavelength division multiplexing or channel parallel mode. This is using PSM4 technology. Each channel requires a separate tr...

To meet the demand of 5 g carrying light module of low cost, promote the health development of related industries and recommended light module, module manufacturers, ...

With the rapid development of information technology, the security problem of network communication becomes more and more obvious. With the increasing computational power of computers, traditional encryption methods are faced with great risks and will be vul...

Data center interconnection applications have become an important and rapidly growing part of the network domain. The huge growth of data promotes the construction of data center parks, especially the construction of super-large data centers. Now, several b...

Working principle of layer 3 switch

In its push for 5G, the U.S. government is cracking down on Chinese companies while trying to speed up the country‘s construction. The merger of T-Mobile and Sprint, two America‘s biggest telecom operators, was approved by the head of America‘s f...

With the advent of 5G, business types and application scenarios are becoming increasingly complex, and users‘ requirements for network experience are gradually improved. Therefore, network service carrying efficiency and operation and maintenance efficienc...

From the perspective of communication development, high speed is the eternal theme of the development of optical transmission network. At present, ...

After more than 30 years of development, China has become a real communications industry. According to statistics, China‘s fiber optic cable output has accounted for 60 percent of the world‘s total output, ...

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