Service Function Chain Scheduling in Heterogeneous Multi-UAV Edge Computing

Author:

Wang Yangang12ORCID,Wang Hai1ORCID,Wei Xianglin2ORCID,Zhao Kuang2,Fan Jianhua2,Chen Juan1,Hu Yongyang2,Jia Runa12

Affiliation:

1. College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China

2. The Sixty-Third Research Institute, National University of Defense Technology, Nanjing 210007, China

Abstract

Supporting Artificial Intelligence (AI)-enhanced intelligent applications on the resource-limited Unmanned Aerial Vehicle (UAV) platform is difficult due to the resource gap between the two. It is promising to partition an AI application into a service function (SF) chain and then dispatch the SFs onto multiple UAVs. However, it is still a challenging task to efficiently schedule the computation and communication resources of multiple UAVs to support a large number of SF chains (SFCs). Under the multi-UAV edge computing paradigm, this paper formulates the SFC scheduling problem as a 0–1 nonlinear integer programming problem. Then, a two-stage heuristic algorithm is put forward to solve this problem. At the first stage, if the resources are surplus, the SFCs are deployed to UAV edge servers in parallel based on our proposed pairing principle between SFCs and UAVs for minimizing the completion time sum of tasks. In contrast, a revenue maximization heuristic method is adopted to deploy the arrived SFCs in a serial service mode when the resource is insufficient. A series of experiments are conducted to evaluate the performance of our proposal. Results show that our algorithm outperforms other benchmark algorithms in the completion time sum of tasks, the overall revenue, and the task execution success ratio

Funder

Natural Science Foundation of China

Publisher

MDPI AG

Subject

Artificial Intelligence,Computer Science Applications,Aerospace Engineering,Information Systems,Control and Systems Engineering

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