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Optical Engineering • new

De-optical-line-terminal hybrid access–aggregation optical network for time-sensitive services based on software-defined networking orchestration
Author(s): Wei Bai; Hui Yang; Hongyun Xiao; Ao Yu; Linkuan He; Jie Zhang; Zhen Li; Yi Du
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Paper Abstract

With the increase in varieties of services in network, time-sensitive services (TSSs) appear and bring forward an impending need for delay performance. Ultralow-latency communication has become one of the important development goals for many scenarios in the coming 5G era (e.g., robotics and driverless cars). However, the conventional methods, which decrease delay by promoting the available resources and the network transmission speed, have limited effect; a new breakthrough for ultralow-latency communication is necessary. We propose a de-optical-line-terminal (De-OLT) hybrid access–aggregation optical network (DAON) for TSS based on software-defined networking (SDN) orchestration. In this network, low-latency all-optical communication based on optical burst switching can be achieved by removing OLT. For supporting this network and guaranteeing the quality of service for TSSs, we design SDN-driven control method and service provision method. Numerical results demonstrate the proposed DAON promotes network service efficiency and avoids traffic congestion.

Paper Details

Date Published: 15 November 2017
PDF: 10 pages
Opt. Eng. 56(11) 116111 doi: 10.1117/1.OE.56.11.116111
Published in: Optical Engineering Volume 56, Issue 11
Show Author Affiliations
Wei Bai, Beijing Univ. of Posts and Telecommunications (China)
Hui Yang, Beijing Univ. of Posts and Telecommunications (China)
Hongyun Xiao, ZTE Corp. (China)
Ao Yu, Beijing Univ. of Posts and Telecommunications (China)
Linkuan He, Beijing Univ. of Posts and Telecommunications (China)
Jie Zhang, Beijing Univ. of Posts and Telecommunications (China)
Zhen Li, ZTE Corp. (China)
Yi Du, Beijing Information and Communication Technology Research Ctr. (China)


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