Network service method and device, electronic equipment 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, reducing node data cache usage, increasing network traffic, etc.
Active Publication Date: 2019-03-15
BEIJING UNIV OF POSTS & TELECOMM
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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...
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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.
[0117] Table 1
[0118] ISP cache node
cache file
1
A,B
2
A,C
3
B,D
4
C,E
5
D,E
[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 r...
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
The embodiment of the invention provides a network service method and device, electronic equipment and a readable storage medium, applied to the technical field of the Internet. The method comprises the steps of extracting a key feature in each user request, and according to the key feature and a pre-built corresponding relation between ISP network groups and the key features, determining the ISPnetwork group corresponding to each user request; aiming at each user request in each ISP network group, cyclically executing the steps of selecting an ISP cache node, computing the gain of the ISP network group and updating a strategy parameter in sequence according to a deep reinforcement learning algorithm, determining whether the target ISP cache node which maximizes the gain of the ISP network group and meets a user request condition exists, and if yes, responding to the user request via the target ISP cache node and transmitting request data to a user; and otherwise, responding to the user request via a CDN and transmitting the request data to the user. According to the method and device provided by the invention, the network service quality can be improved.
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...
Claims
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