In 2009, the cloud global enterprise has gradually tilted the digital business strategy, leading to the transformation of the traditional IT service to the cloud service. The public cloud service market began to enter the rapid development trend.
According to the data from the prospective industry research institute, in 2017, the global cloud service market reached 260 billion 200 million US dollars, which is 18.5% more over the same period last year. It is expected to reach $430 billion in 2019.
In the process of rapid development, cloud computing gradually exposes three major problems:
Network Congestion
A great number of Internet of things and AI applications are deployed in the cloud, leading to massive data flooding into the core network, causing core network congestion.
High Delay
Because of the distance between the terminal equipment and the cloud data center, the high network delay is unavoidable, which has a bad effect on some applications that need to be updated in real time.
Reliability Risk
Because terminal devices are far apart from cloud data centers and have long communication channels, they are prone to all kinds of risks that can is unpredictable. At the same time, the cost of backup in the cloud is also very high.
As a result, the calculation of fog came into being.
The essence of fog calculation is the local chemical cloud computing. That is, adding an edge layer between the terminal device and the cloud data center, which directly handles and stores the data that does not need “cloud” on this layer, then directly relieving the cloud pressure. Finally, it can reduce network congestion, high delay risk and improve reliability.
With the appearance of a large scale of cloud, private cloud, enterprise cloud and other small clouds, the market capacity of fog calculation will also develop, and the $100 billion market will usher in the second peak.
Pubilc Information Chain (PIC in short) is on the basis of the advantage of applying the block chain to centralization and not tampering, the public credit chain has first created the PPow consensus mechanism to improve the meaningless reversal hash calculation of the bitcoin system, and also to adjust the supply and demand relationship in the algorithm market by drop mode, so that “distribution is network + fog”. The new block chain model has expanded rapidly worldwide.
According to fog calculation industry experts, using block chain to enter fog calculation is a subversive reform of the whole industry. The public credit chain PIC will use low cost, high security, no tampering, and never disappear to the central storage mode, directly divide the Ali cloud, the Amazon cloud cake.
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