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A network service method, apparatus, electronic device and readable storage medium
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A network service and network technology, applied in the Internet field, can solve problems such as low service quality, increased network traffic, update speed, and outdated data
Active Publication Date: 2020-05-08
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
Too slow update speed will lead to stale data and low utilization rate, while too fast update speed will frequently cause data transmission from server to node, increase network traffic, and reduce data cache usage of nodes
It can be seen that the service quality of the existing network service method is low
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Embodiment 1
[0116] If the ISP network group includes 5 ISP cache nodes, the conditions of caching data files respectively are shown in Table 1.
[0119] Among them, the value threshold is set to 5, the number of cycles is set to 3, the large value in the r-value is set to 10, and the small value is set to 0.1.
[0120] If a user request is received, it means that the user with the IP address 132.147.34.68 requests file D with a size of 10G, and the transmission needs to be completed within 100s.
[0121] At this time, the ISP cache node is pre-selected, assuming that the first round selects the No. 2 ISP cache node with a probability of 0.2, π(2|s)=0.2, considering that the No. 2 ISP cache node does not have the request file D, then the The r value is set to 0.1, at this time J=0.1, and since the No. 3 and No. 5 ISP cache nodes have the requested file D, that ...
Embodiment 2
[0124] A user request is received, indicating that the user with the IP address 132.147.34.68 requests a file F with a size of 2G, and the transmission needs to be completed within 100s.
[0125] At this time, the ISP cache node is pre-selected, assuming that the first round selects the No. 2 ISP cache node with a probability of 0.2, π(2|s)=0.2, considering that the No. 2 ISP cache node does not have the request file F, then the The r value is set to 0.1, at this time J=0.1, and because any ISP cache node in the current environment group does not have the requested file F, that is, the r values are all low, and a high gradient cannot be obtained, so it is still random in the next round Select the ISP cache node.
[0126] Assuming that the actor selects the ISP cache node No. 3 with a probability of 0.2, π(3|s)=0.2, considering that the request file F does not exist in the ISP cache node No. 3, set the reward to 0.1, and J=0.1< TH=5, the third selection is performed.
[01...
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Abstract
Embodiments of the present invention provide a network service method, device, electronic equipment, and readable storage medium, which are applied in the field of Internet technology. The method includes: extracting key features in each user request, The corresponding relationship between the ISP network group and the key features determines the corresponding ISP network group for each user request; for each user request in each ISP network group, according to the deep reinforcement learning algorithm, the ISP cache node is selected and the calculation of the ISP cache node is performed sequentially. The income of the ISP network group and the steps of updating the policy parameters determine whether there is a target ISP cache node that maximizes the income of the ISP network group and meets the user request conditions, and if it exists, responds to the user request and transmits the request through the target ISP cache node The data is sent to the user; otherwise, the CDN responds to the user request and transmits the requested data to the user. The invention can improve network service quality.
Description
technical field [0001] The invention relates to the technical field of the Internet, in particular to a network service method, device, electronic equipment and a readable storage medium. Background technique [0002] With the rapid development of the Internet, CDN (Content Deliver Network, content distribution network) has gradually become the basic support platform and the main force for network speed-up, carrying video, live broadcast, VR (Virtual Reality, virtual reality) and other Internet innovative applications, and its importance is increasing improve. Nowadays, Internet data is growing rapidly at a rate of 50% per year. According to Gartner (the first information technology research and analysis company), by 2020, the global data storage volume will reach 35 Zettabyte (ten trillion gigabytes). Therefore, how to efficiently cache and distribute content has become a hot spot in academia and industry. [0003] In related technologies, the content service provider pro...
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