Experimental validation of resource allocation in transport network slicing using the ADRENALINE testbed
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ORIGINAL PAPER
Experimental validation of resource allocation in transport network slicing using the ADRENALINE testbed Ricard Vilalta1 · Raul Muñoz1 · Ramon Casellas1 · Ricardo Martínez1 · Fei Li2 · Pengcheng Tang2 Received: 26 September 2019 / Accepted: 14 August 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Transport network virtualization provides the necessary data and control plane technologies as key enablers of future networks. The interaction between network slicing and optical transport network virtualization architectures is under study to automate effective network resource orchestration. In this paper, we present an harmonized network slicing and transport network virtualization architecture, including a network slice planner tool, which is designed and implemented enabling in-operation execution of network slice resource allocation algorithms. We validate the proposed architecture by providing a novel resource allocation algorithm, evaluating its performance and deploying two different slices on top of the ADRENALINE testbed, while measuring both slices key performance indicators. Keywords NFV · Optical SDN · Network slicing
1 Introduction A wide range of services and use cases that are being proposed from different vertical industries [2] will need to be supported by upcoming networks (both fixed and mobile). Each vertical industry service and use case imposes its own set of requirements to the underlying network infrastructure. These requirements can be described in terms of functional and non-functional requisites such as security, latency, elasticity, resiliency and bandwidth. The same structural and functional network infrastructure must be able to fulfill these stringent and varied requirements for transport networks. Transport networks and their supported services are being constructed upon two novel networking enablers: softwaredefined networking (SDN) and network function virtualization (NFV). In this regard, SDN/NFV concepts complete the vision of clearly separating hardware and software. This separation allows service providers using appealing capabilities such as: (1) network programmability throughout multivendor, multi-technology and multi-domain scenarios; and
* Ricard Vilalta [email protected] 1
Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA) Castelldefels, Barcelona, Spain
Huawei, Shangai, China
2
(2) virtualization of both functions and infrastructure to support modular, flexible and heterogeneous network services [11]. To deal with this heterogeneity of network services, the next-generation mobile network (NGMN) alliance proposed the concept of network slicing [3]. A network slice instance is formed by a set of network functions and the resources enabling the deployment of these functions, that form a complete instantiated logical network to meet certain network characteristics. The requested logical network instance allocated by the network slice may be managed/controlled by either the own user that has re
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