共 34 条
Service Function Chain Deployment Algorithm Based on Deep Reinforcement Learning in Space-Air-Ground Integrated Network
被引:3
作者:

Feng, Xu
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Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China

He, Mengyang
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机构:
Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China
Song Shan Lab, Zhengzhou 450000, Peoples R China Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China

Zhuang, Lei
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Zhengzhou Univ, Sch Comp & Artificial Intelligence, Zhengzhou 450000, Peoples R China Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China

Song, Yanrui
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机构:
Zhengzhou Univ, Sch Comp & Artificial Intelligence, Zhengzhou 450000, Peoples R China Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China

Peng, Rumeng
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h-index: 0
机构:
Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China
机构:
[1] Zhengzhou Univ, Sch Cyber Sci & Engn, Zhengzhou 450000, Peoples R China
[2] Song Shan Lab, Zhengzhou 450000, Peoples R China
[3] Zhengzhou Univ, Sch Comp & Artificial Intelligence, Zhengzhou 450000, Peoples R China
关键词:
space-air-ground integrated network;
DRL;
resource allocation;
NFV;
ORCHESTRATION;
INTERNET;
D O I:
10.3390/fi16010027
中图分类号:
TP [自动化技术、计算机技术];
学科分类号:
0812 ;
摘要:
SAGIN is formed by the fusion of ground networks and aircraft networks. It breaks through the limitation of communication, which cannot cover the whole world, bringing new opportunities for network communication in remote areas. However, many heterogeneous devices in SAGIN pose significant challenges in terms of end-to-end resource management, and the limited regional heterogeneous resources also threaten the QoS for users. In this regard, this paper proposes a hierarchical resource management structure for SAGIN, named SAGIN-MEC, based on a SDN, NFV, and MEC, aiming to facilitate the systematic management of heterogeneous network resources. Furthermore, to minimize the operator deployment costs while ensuring the QoS, this paper formulates a resource scheduling optimization model tailored to SAGIN scenarios to minimize energy consumption. Additionally, we propose a deployment algorithm, named DRL-G, which is based on heuristics and DRL, aiming to allocate heterogeneous network resources within SAGIN effectively. Experimental results showed that SAGIN-MEC can reduce the end-to-end delay by 6-15 ms compared to the terrestrial edge network, and compared to other algorithms, the DRL-G algorithm can improve the service request reception rate by up to 20%. In terms of energy consumption, it reduces the average energy consumption by 4.4% compared to the PG algorithm.
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