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Hierarchical MEC deployment and workload assignment in C-RAN over WDM ring networks
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Paper Abstract

The fast increasing of mobile data traffic, and the stringent requirements of the emerging services in terms of latency and bandwidth, have spurred numerous influences for the change of Cloud Radio Access Network (C-RAN) and cloud computing. MEC enabled C-RAN have emerged as promising candidates for the next generation access network techniques to accommodate the fast growing IoT traffic and improve the performance of IoT services. Deploying MEC servers in C-RAN, which brings IoT services to the edge network, not only improve users quality of service (QoS), but also alleviates the network traffic of core network. The deployment performance of MEC servers is, however, highly related to the workload assignment. Therefore, the deployment mechanism of MEC servers and workload assignment scheme would jointly affect QoS of users, economic benefits of operators. In this paper, we jointly consider MEC deployment and workload assignment for minimizing the sum of deployment cost and delay in C-RAN based on optical rings. Simulation results showed that the proposed algorithm not only minimizes the total cost (MEC deployment cost and E2E delay), but also demonstrate good trade-off between deployment cost and average delay.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 1134017 (18 December 2019); doi: 10.1117/12.2547730
Show Author Affiliations
Zhen Liu, Beijing Univ. of Posts and Telecommunications (China)
Jiawei Zhang, Beijing Univ. of Posts and Telecommunications (China)
Yuefeng Ji, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 11340:
AOPC 2019: Optical Fiber Sensors and Communication
Jie Zhang; Songnian Fu; Jun Yang, Editor(s)

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