A Service-Based Intelligent Time-Domain and Spectral-Domain Flow Aggregation in IP-over-EON Based on SDON

doi:10.12142/ZTECOM.201903009

ZTE Communications ›› 2019, Vol. 17 ›› Issue (3): 56-62.doi: 10.12142/ZTECOM.201903009

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A Service-Based Intelligent Time-Domain and Spectral-Domain Flow Aggregation in IP-over-EON Based on SDON

NI Dong¹, LI Hui¹, JI Yuefeng¹, LI Hongbiao², ZHU Yinan²

1.Beijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications, Beijing 100876, China
2.Wireline Product Operation Division, ZTE Corporation, Shenzhen, Guangdong 518057, China

Received:2019-07-10 Online:2019-09-29 Published:2019-12-06
About author:NI Dong received the bachelor’s degree in communication engineering from Jilin University, China in 2017 She is currently a graduate student in Information and Communication Engineering at the Beijing University of Posts and Telecommunications, China. In the period of graduate study, her main research field is the theory and technology of IP over elastic optical networks.|Li Hui is an associate professor in the Broadband Network Innovation Research Center Lab, school of information and telecommunication, Beijing University of Posts and Telecommunications, China. Her main research field is optical network planning and optimization.|JI Yuefeng is a Ph.D. supervisor and professor of Beijing University of Posts and Telecommunications, China. His research interests include optical communication and broadband networks.|LI Hongbiao has been working in the Wireline Product Operation Department of ZTE Corporation since 1999.He is currently a member of ZTE’s strategic expert group and the chief planner of the transport network, mainly engaging in communication transport network technology research and planning work.|ZHU Yinan graduated from Nanjing University of Posts and Telecommunications, China in 2015. At present, he is engaged in the planning of transport network solutions in ZTE Corporation and is mainly responsible for SDN and IP+optical coordination. He has also been a CCIE since 2014.
Supported by:
This work has been funded by ZTE Industry-Academia-Research Cooperation Funds under Grant(No. 2017110031005226)

Abstract

Abstract:

The rapid growth of IP traffic has contributed to wide deployment of optical devices in elastic optical network. However, the passband shape of wavelength selective switches (WSSs) that are used in reconfigurable optical add-drop multiplexer (ROADM)/optical cross connect (OXC) is not ideal, causing the narrowing of spectrum. Spectral narrowing will lead to signal impairment. Therefore, guard-bands need to be inserted between adjacent paths which will cause the waste of resources. In this paper, we propose a service-based intelligent aggregation node selection and area division (ANS-AD) algorithm. For the rationality of the aggregation node selection, the ANS-AD algorithm chooses the aggregation nodes according to historical traffic information based on big data analysis. Then the ANS-AD algorithm divides the topology into areas according to the result of the aggregation node selection. Based on the ANS-AD algorithm, we propose a time-domain and spectral-domain flow aggregation (TS-FA) algorithm. For the purpose of reducing resources’ waste, the TS-FA algorithm attempts to reduce the insertion of guard-bands by time-domain and spectral-domain flow aggregation. Moreover, we design a time-domain and spectral-domain flow aggregation module on software defined optical network (SDON) architecture. Finally, a simulation is designed to evaluate the performance of the proposed algorithms and the results show that our proposed algorithms can effectively reduce the resource waste.

Key words: IP-over-EON, time-domain, spectral-domain, flow aggregation, big data analysis, SDON

NI Dong, LI Hui, JI Yuefeng, LI Hongbiao, ZHU Yinan. A Service-Based Intelligent Time-Domain and Spectral-Domain Flow Aggregation in IP-over-EON Based on SDON[J]. ZTE Communications, 2019, 17(3): 56-62.

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Path	Path node set
Path₁	{1,5,6}
Path₂	{2,5,6}
Path₃	{5,6}
Path₄	{1,2,3}
Path₅	{6,4}

A Service-Based Intelligent Time-Domain and Spectral-Domain Flow Aggregation in IP-over-EON Based on SDON

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