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  4. An extensible Autoscaling Engine (AE) for Software-based Network Functions
 
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2016
Konferenzbeitrag
Titel

An extensible Autoscaling Engine (AE) for Software-based Network Functions

Abstract
With the rapid migration towards Software-based Networks, Telco Operators are modifying their traditional network infrastructures in order to reduce the complexity in managing Network Services (NS). Being able to cope with on-demand traffic increase is one of the key principles taken from the Cloud Computing domain and extended to the Telco one by the ETSI Network Function Virtualization (NFV) initiative. However, due to the novelty of this paradigm in the Telco domain, the landscape of fully-interoperable frameworks is rather limited and even more complex is their extensibility for supporting new functionalities. None of the existing solutions nowadays provide mechanisms for dynamically adapt the NS topology based on their Runtime Key Performance Indicators (KPIs), supporting the requirements requested by the ETSI NFV specification. Therefore, this article presents an Autoscaling Engine (AE) capable of dynamically adapting a NS based on policies provided by the Operator and integrated in the ETSI NFV information model. Its design has been realized considering the NFV requirements, and has been integrated in the ETSI NFV Architecture as additional functional element. Its implementation is part of an existing NFV-compliant framework, Open Baton, and made available to the community as open source. An evaluation of the implemented concept shows that the proposed solution increases the reliability, stability and resource efficiency of NSs.
Author(s)
Carella, Guiseppe Antonio
Techn. Univ. Berlin
Pauls, Michael
Techn. Univ. Berlin
Grebe, Lars
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS
Corici, Marius
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS
Magedanz, Thomas
Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS
Hauptwerk
IEEE Conference on Network Function Virtualization and Software Defined Networks, NFV-SDN 2016
Konferenz
Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN) 2016
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DOI
10.1109/NFV-SDN.2016.7919501
Language
Englisch
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