Managing 5G Converged Core With Access Traffic Steering, Switching, and Splitting: From Hybrid Access to Converged Core

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Author(s): Toktam Mahmoodi (King's College London, UK), Stephen H. Johnson (British Telecommunications plc, UK), Massimo Condoluci (King's College London, UK), Vicknesan Ayadurai (Ericsson Research, Sweden), Maria A. Cuevas (British Telecommunications plc, UK)and Mischa Dohler (King's College London, UK)
Copyright: 2019
Pages: 18
Source title: Paving the Way for 5G Through the Convergence of Wireless Systems
Source Author(s)/Editor(s): Ramona Trestian (Middlesex University, UK)and Gabriel-Miro Muntean (Dublin City University, Ireland)
DOI: 10.4018/978-1-5225-7570-2.ch008

Keywords: Information Science Reference / Media & Communications / Mobile and Wireless Computing / Wireless Systems

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Abstract

This chapter discusses the ongoing work around hybrid access and network convergence, with particular emphasis on recent works on ATSSS in 3GPP. Three main aspects are analyzed: policy enforcement, integration with 5G QoS framework, interaction with underlying multi-path transport protocol. The chapter also provides some preliminary testbed results showing the benefits of ATSSS in the management of multiple accesses analyzing some primary performance indicators such as achievable data rates, link utilization for aggregated traffic, and session setup latency. The chapter also provides some results by considering two examples of realization of ATSSS policies to avoid inefficiency in link utilization and to allow the fulfillment of data rate requirements.

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Managing 5G Converged Core With Access Traffic Steering, Switching, and Splitting: From Hybrid Access to Converged Core

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