From network sharing to multi-tenancy: The 5G network slice broker

Samdanis, Konstantinos; Costa‐Pérez, Xavier; Sciancalepore, Vincenzo

doi:10.1109/mcom.2016.7514161

Cited by 461 publications

(337 citation statements)

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“…An interesting approach is presented in [8], where a 5G slice broker colocated with the MOP-NM and the SCEF/SEES is defined. This broker provides management capabilities to third parties (through the Itf-N interface) and handles SLA negotiations through SCEF/SEES.…”

Section: Soa For Network Sharing and Slicingmentioning

confidence: 99%

Multi-Tenant Slicing for Spectrum Management on the Road to 5G

Vincenzi

Antonopoulos

Kartsakli

et al. 2017

IEEE Wireless Commun.

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Abstract-The explosive data traffic demand in the context of the 5G revolution has stressed the need for network capacity increase. As the network densification has almost reached its limits, mobile network operators are motivated to share their network infrastructure and the available resources through dynamic spectrum management. Although some initial efforts have been made to this direction by concluding sharing agreements at a coarse granularity (i.e., months or years), the 5G developments require fine timescale agreements, mainly enabled by network slicing. In this article, taking into account the radical changes foreseen for next generation networks, we provide a thorough discussion on the challenges that network slicing brings in the different network parts, while introducing a new entity capable of managing the end-to-end slicing in a coherent manner. In addition, according to the paradigm shift that operators share their resources in a common centralized pool, we design a cooperative game to study the potential cooperation aspects among the participants. The experimental results highlight the performance and financial gains achievable by operators through multi-tenant slicing, providing them with the necessary incentives for network upgrade towards 5G.

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Section: Soa For Network Sharing and Slicingmentioning

confidence: 99%

Multi-Tenant Slicing for Spectrum Management on the Road to 5G

Vincenzi

Antonopoulos

Kartsakli

et al. 2017

IEEE Wireless Commun.

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“…The main benefits of 5G ESSENCE include the maximization of resource usage, the reduction of equipment and management costs and QoS improvement, thus encouraging network innovation and the deployment of distinct network services ( [42][43]). These features can be applied directly into the 5G ESSENCE architecture and result in many general "key benefits", such as CAPEX and OPEX reduction, easy management and operation, speedy innovation deployment without interfering in-service networks and efficient resource utilization.…”

Section: Fig 5 the 5g Essence High-level Architecturementioning

confidence: 99%

A Novel Architectural Concept for Enhanced 5G Network Facilities

et al. 2017

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Abstract. The 5G ESSENCE project's context is based on the concept of Edge Cloud Computing and Small Cell-as-a-Service (SCaaS) -as both have been previously identified in the SESAME 5G-PPP project of phase 1-and further "promotes" their role and/or influences within the related 5G vertical markets. 5G ESSENCE's core innovation is focused upon the development/provision of a highly flexible and scalable platform, offering benefits to the involved market actors. The present work identifies a variety of challenges to be fulfilled by the 5G ESSENCE, in the scope of an enhanced architectural framework. The proposed technical approach exploits the profits of the centralization of Small Cell functions as scale grows through an edge cloud environment, based on a two-tier architecture with the first distributed tier being for offering low latency services and the second centralized tier being for the provision of high processing power for computing-intensive network applications. This permits decoupling the control and user planes of the Radio Access Network (RAN) and achieving the advantages of Cloud-RAN without the enormous fronthaul latency restrictions. The use of end-to-end network slicing mechanisms allows for sharing the related infrastructure among multiple operators/vertical industries and customizing its capabilities on a per-tenant basis, creating a neutral host market and reducing operational costs.

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“…The authors in [50] propose network slicing as a service model for mapping various requirements to service models of operators, with the ultimate goal of enabling provision of customized end-to-end networks as a service. For the case of Mobile Virtual Network Operators (M VNOs), authors in [51] devised a broker architecture for enabling infrastructure providers to dynamically allocate portion of their offered capacity to tenants such as mobile virtual network operators. The proposed broker architecture aims to allocate resources fro m infrastructure providers to enable demand driven allocation of their offered capacity.…”

Section: ) Network Slicing Proposalsmentioning

confidence: 99%

Softwarization and Optimization for Sustainable Future Mobile Networks: A Survey

2017

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Abstract--Due to the tremendous growth in mobile data traffic, cellular networks are witnessing architectural evolutions. Future cellular networks are expected to be extremely dense and complex systems, supporting a high variety of end-devices (e.g., smartphone, sensors, machines) with very diverse QoS requirements. S uch amount of network and end-user devices will consume a high percentage of electricity from the power grid to operate, thus increasing the carbon footprint and the operational expenditures of mobile operators. Therefore, environmental and economical sustainability have been included in the roadmap towards a proper design of the next-generation cellular system. This paper focuses on softwarization paradigm, energy harvesting technologies and optimization tools as enablers of future cellular networks for achieving diverse system requirements, including energy saving. The paper surveys the state-of-the-art literatures embedding softwarization paradigm in densely deployed Radio Access Network (RAN). In addition, the need for energy harvesting technologies in densified RAN is provided with the review of the state-of-the-art proposals on the interaction between softwarization and e nergy harvesting technology. Moreover, the role of optimization tools, such as machine learning, in future RAN with densification paradigm is stated. We have classified available literature that balances these three pillars namely, softwarization, energy harvesting and optimization with densification, being a common RAN deployment trend. Open issues that require further research efforts are also included.

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From network sharing to multi-tenancy: The 5G network slice broker

Cited by 461 publications

References 0 publications

Multi-Tenant Slicing for Spectrum Management on the Road to 5G

Multi-Tenant Slicing for Spectrum Management on the Road to 5G

A Novel Architectural Concept for Enhanced 5G Network Facilities

Softwarization and Optimization for Sustainable Future Mobile Networks: A Survey

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