Orchestrating virtual slices in data centre infrastructures with optical DCN
| Autor: | Matteo Biancani, Dimitra Simeonidou, Giada Landi, Reza Nejabati, Fernando Agraz, Rafael Montero, Domenico Gallico, Albert Pages, Marco Capitani, Salvatore Spadaro |
|---|---|
| Přispěvatelé: | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya. Doctorat en Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques |
| Rok vydání: | 2019 |
| Předmět: |
Telecomunicació
Sistemes de Exploit Computer science Distributed computing Resource orchestration Cloud computing computer.software_genre Defined Networking Resource (project management) Virtualization Optical networks Comunicacions òptiques Data centers Electrical and Electronic Engineering Instrumentation Flexibility (engineering) Optical communications business.industry Telecommunication systems Provisioning Enginyeria de la telecomunicació [Àrees temàtiques de la UPC] Atomic and Molecular Physics and Optics Slicing Software Electronic Optical and Magnetic Materials Control and Systems Engineering Data center business Software-defined networking computer |
| Zdroj: | Recercat. Dipósit de la Recerca de Catalunya instname UPCommons. Portal del coneixement obert de la UPC Universitat Politècnica de Catalunya (UPC) |
| ISSN: | 1068-5200 |
| DOI: | 10.1016/j.yofte.2019.02.011 |
| Popis: | The emergence of new paradigms and services is pushing the limits of nowadays cloud infrastructures. It is a fact that current solutions lack in the flexibility and configurability to adapt to heterogeneous requirements coming from the applications/services to be supported over them. This results most of the time in severe underutilization of the underlying physical substrate. In light of this, newer approaches on resource provisioning and infrastructure management are needed. The Infrastructure as a Service (IaaS) paradigm is proposed as a solution to overcome these limitations. Thanks to IaaS, the physical infrastructure is partitioned onto virtual slices, encompassing heterogeneous resources (e.g. network, computing). Such a concept is expected to be harnessed by future data center (DC) infrastructures in order to cope efficiently with multi-tenancy as well as heterogeneous application requirements. However, current DC networks (DCNs) impose sever limitations onto traffic handling to fully exploit this vision. In light of this, optical technologies are seen as prime candidates for realizing the high performance network fabrics that future DC architectures will need. Under such an umbrella, it becomes primordial to develop specific provisioning solutions that account for the particularities of the optical medium, while providing the means to efficiently slice the DC infrastructure. With all of these in mind, in this article we present a solution for orchestrating and controlling virtual slices in a DC scenario with optical intra-DCN, with the scope of optimizing the underlying physical infrastructure utilization. The benefits of the presented solution are demonstrated against legacy architectures through exhaustive experiments and simulations. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect