Supporting QoE/QoS-aware end-to-end network slicing in future 5G-enabled optical networks

Rafael Montero; Albert Pagès; Fernando Agraz; Salvatore Spadaro

doi:10.1117/12.2508579

1 February 2019 Supporting QoE/QoS-aware end-to-end network slicing in future 5G-enabled optical networks

Rafael Montero, Albert Pagès, Fernando Agraz, Salvatore Spadaro

Proceedings Volume 10946, Metro and Data Center Optical Networks and Short-Reach Links II; 109460F (2019) https://doi.org/10.1117/12.2508579
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Network slicing with Quality of Experience/Quality of Service (QoE/QoS) guarantees is seen as one of the key enablers of future 5G networks. Nevertheless, it poses several challenges in both resource provisioning and management that need to be addressed for the efficient end-to-end service delivery. In particular, network slice deployments considering operation across several domains and network segments, require of inter-domain configurations, continuous monitoring, potential actuations, inter-slice isolation, among other, in order to be provisioned and maintained, looking forward to guaranteeing their assured Key Performance Indicators (KPIs). In such scenario, optical networks are of prime importance, enabling the inter-connectivity between multiple far away segments and Points of Presence (PoPs). In light of this, in this paper we present an architecture design enabling network slice provisioning for 5G service chaining in multi-segment/multi-domain optical network scenarios. The presented design is enriched with a policy-based monitoring and actuation framework able to maintain the desired QoS for the provisioned end-to-end (E2E) network slice. We experimentally validated the proposal against real slice deployments and traffic generation, providing a proof of concept for the presented architecture, with special emphasis in the demonstration of the actuation framework as a key element for quality guarantees.

Citation Download Citation

Rafael Montero, Albert Pagès, Fernando Agraz, and Salvatore Spadaro "Supporting QoE/QoS-aware end-to-end network slicing in future 5G-enabled optical networks", Proc. SPIE 10946, Metro and Data Center Optical Networks and Short-Reach Links II, 109460F (1 February 2019); https://doi.org/10.1117/12.2508579

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