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Decentralization of 5G slice resource allocation

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Date
2020
Link to item file
https://hal.archives-ouvertes.fr/hal-02501918
Dewey
Informatique générale
Sujet
networked systems
DOI
http://dx.doi.org/10.1109/NOMS47738.2020.9110391
Conference name
IEEE/IFIP Network Operations and Management Symposium (NOMS 2020)
Conference date
2020
Conference country
HUNGARY
Book title
IEEE/IFIP Network Operations and Management Symposium (NOMS)
Publisher
IEEE - Institute of Electrical and Electronics Engineers
Publisher city
Piscataway, NJ
ISBN
978-1-7281-4973-8
URI
https://basepub.dauphine.fr/handle/123456789/20908
Collections
  • LAMSADE : Publications
Metadata
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Author
Fossati, Francesca
Moretti, Stefano
Rovedakis, Stephane
Secci, Stefano
Type
Communication / Conférence
Abstract (EN)
The 5G infrastructure brings a key novelty in networked systems design that is a new resource provisioning entity, the so-called "network slice". A network slice is meant to serve end-to-end services as a composition of different network and system resources as the radio, the link and a variety of computing resources (CPU, RAM, storage), generally each managed by a distinct decision-maker (platform, provider, orchestrator or controller). Naturally, centralized slice orchestration approaches have been proposed, where a multi-domain orchestrator allocates the resources, using a multi-resource allocation rule. Nonetheless, while simplifying the algorithmic approach, centralization can come at the expense of scalability and performance. In this paper, we propose new ways to decentralize the slice resource allocation problem, using cascade or parallel resource allocations. We provide an exhaustive analysis of the advantages and disadvantages of the different approaches together with a numerical analysis in a realistic environment.

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