An end-to-end software-defined network framework and optimal service development model for SAGN

Wenliang Lin (), Yilie He, Zhongliang Deng, Ke Wang, Bin Jin and Xiaotian Zhou
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Wenliang Lin: Beijing University of Posts and Telecommunications
Yilie He: Beijing University of Posts and Telecommunications
Zhongliang Deng: Beijing University of Posts and Telecommunications
Ke Wang: Beijing University of Posts and Telecommunications
Bin Jin: Beijing University of Posts and Telecommunications
Xiaotian Zhou: Science and Technology on Communication Networks Laboratory, 54Th Institute, CETC

Telecommunication Systems: Modelling, Analysis, Design and Management, 2022, vol. 80, issue 2, No 1, 153-167

Abstract: Abstract One goal of the sixth generation (6 G) is to extend the communication abilities of a Gbps bitrate, low latency and high reliability to global areas. The Space-Air-Ground Network (SAGN) is a promising scheme. Deterministic services in SAGN are very important for network providers, but service conflicts and a lack of end-to-end feature abstractions restrict the development of more services and applications. Abstracting the network features to design service components and abilities is the key issue. Therefore, this paper proposes a new service development scheme for SAGNs, which provides global service components and abilities based on a microservice framework for different networks. We explore the unified feature description method based on the ground state, which decouples the network element function (NEF) from different end-to-end networks. A convex optimisation model based on reversible driving factors is designed for the service developments model, which can optimise the choreographies and combinations of the services in SAGN. A feature compression method based on equivalent mapping service description and orbital shrinking is proposed to improve the development efficiency of SAGN services. Simulations and tests are conducted to examine the performance enhancement of services, which improves the service generating speed by 14.5% and the service conflict rate by 23.4%.

Keywords: Service developments; SAGN; Software defined network (SDN); Network framework; Service component; Satellite (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s11235-022-00892-4

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