Distributed Cross-Domain Optimization for Software Defined Industrial Internet of Things

被引:3
|
作者
Huang, Yunjing [1 ]
Luo, Shuyun [1 ]
Xu, Weiqiang [1 ,2 ]
机构
[1] Zhejiang Sci Tech Univ, Sch Informat Sci & Engn, Hangzhou 310018, Peoples R China
[2] Key Lab Intelligent Text & Flexible Interconnect Z, Hangzhou 310018, Peoples R China
基金
中国国家自然科学基金;
关键词
industrial internet of things; software-define networking; resource allocation; alternating direction method of multipliers; ALTERNATING DIRECTION METHOD; COMMUNICATION; ARCHITECTURE; CHALLENGES; RESOURCE; PROTOCOL; ADMM; IIOT;
D O I
10.3390/info14020109
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
As a promising paradigm, the Industrial Internet of Things (IIoT) provides a wide range of intelligent services through the interconnection and interaction of heterogeneous networks. The quality of these services depends on how the bandwidth is shared among different flows. Hence, it is critical to design a flexible flow control strategy in multi-region management scenarios. In this paper, we establish a flow optimization model based on the IIoT networks managed by multiple Software-Defined Networking (SDN) controllers. Specifically, it jointly optimizes the real-time delivery, route selection, and constrained resource allocation to maximize the total utilities of domains. Since the topology and resources within each domain are kept secret, the problem model belongs to a multi-block problem with coupling constraints, which is difficult to be solved directly. To this end, we first decompose the problem into several intra-domain subproblems, which can be solved in parallel. By considering the inter-domain communication problem, we then introduce the slack variables to implement the interaction among domains. Finally, we design a distributed Proximal Symmetric Alternating Direction Method of Multipliers (Prox-SADMM) algorithm to solve the above joint optimization problem. Through numerical simulations, we investigate the impact of data timeliness, multi-path routing, and resource constraints on the rate utility. The performance analysis confirms that the Prox-SADMM algorithm can be well applied to large-scale networks and provides guidance to set appropriate parameter values according to the realistic requirements of IIoT networks.
引用
收藏
页数:17
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