What are the requirements for optical modules in the development trend of cloud data centers?
In recent years, data center traffic and bandwidth have increased exponentially, and data centers have gradually transitioned from 10G and 40G to 100G networks, thus driving the application of 100G optical modules in data centers.
The diversity of data center interconnection scenarios has spawned the demand for different types of optical modules. Traditional data centers generally use 1G/10G low-speed optical modules, while cloud data centers mainly use 40G/100G high-speed optical modules. Below, ZKTel lists the main requirements of several cloud data centers for optical modules.
1. High speed rate. Due to the explosive growth of data center traffic, higher speed optical modules are required to cope with the huge traffic transmission demand.
2. high demand. The number of optical modules used in data centers is an order of magnitude larger than that of telecommunications.
3. Low power consumption. Data center switches usually have very dense ports. Low-power optical modules can not only save energy, but also alleviate the problem of excessive heat generation of optical modules.
4. Small size and light weight. The high-density interface board of the data center switch is to increase the transmission capacity, while more ports can reduce the deployment of the switch and save the resources of the computer room. As a result, data centers require optical modules with a smaller volume to match switches with denser interface boards.
5. Shorter iteration cycle. The iteration cycle of data center optical modules is generally about 3 years, while the iteration cycle of carrier-grade optical modules is generally 6-7 years and above. The terminal equipment of the data center is different, the optical interconnection products generally used are also different. Servers generally use DAC high-speed cables or AOC active optical cables, while switches generally use optical modules with optical fiber jumpers. For more details, please go to the official website of ZKTel (www.zktel.com.cn).