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Different methods have been proposed to dynamically provide scientific applications with execution environments that hide the complexity of distributed infrastructures. Recently virtualization has emerged as a promising technology to provide suc[...]texto impreso
Moreno-Vozmediano, Rafael ; Huedo Cuesta, Eduardo ; Llorente, Ignacio M. ; Montero, Ruben S. ; Massonet, Philippe ; Villari, Massimo ; Merlino, Giovanni ; Celesti, Antonio ; Levin, Anna ; Schour, Liran ; Vázquez, Constantino ; Melis, Jaime ; Spahr, Stefan ; Whigham, Darren | 2016-04-27This paper presents the BEACON Framework, which will enable the provision and management of cross-site virtual networks for federated cloud infrastructures in order to support the automated deployment of applications and services across differen[...]texto impreso
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Tordsson, Johan ; Montero, Ruben S. ; Moreno-Vozmediano, Rafael ; Llorente, Ignacio M. | Elsevier | 2011-07-29In the past few years, we have witnessed the proliferation of a heterogeneous ecosystem of cloud providers, each one with a different infrastructure offer and pricing policy. We explore this heterogeneity in a novel cloud brokering approach that[...]texto impreso
Moreno-Vozmediano, Rafael ; Montero, Ruben S. ; Huedo Cuesta, Eduardo ; Llorente, Ignacio M. | IEEE | 2017-04-26The interconnection of the different geographically dispersed cloud and fog infrastructures is a key issue for the development of the fog technology. Although most existing cloud providers and platforms offer some kind of connectivity services t[...]texto impreso
Rochwerger, Benny ; Galis, Alex ; Breitgand, David ; Levy, E. ; Cáceres, J.A. ; Llorente, Ignacio M. ; Wolfsthal, Yaron ; Wusthoff, M. ; Clayman, S. ; Chapman, C. ; Emmerich, Wolfgang ; Elmroth, E. ; Montero, Ruben S. | 2009This paper presents current research in the design and integration of advance systems, service and management technologies into a new generation of Service Infrastructure for Future Internet of Services, which includes Service Clouds Computing. [...]texto impreso
One of the most important obstacles when porting an application to the Grid is its highly heterogeneous nature. This heterogeneity usually means an increase of the cost of both the application porting cycle and the operational cost of the infras[...]texto impreso
Vázquez Blanco, Constantino ; Huedo Cuesta, Eduardo ; Montero, Ruben S. ; Llorente, Ignacio M. | IEEE Computer Society | 2009Grid computing involves the ability to harness together the power of computing resources. In this paper we push forward this philosophy and show technologies enabling federation of grid infrastructures regardless of their interface. The aim is t[...]texto impreso
Rodríguez, Manuel ; Tapiador, Daniel ; Fontán, Javier ; Huedo Cuesta, Eduardo ; Montero, Ruben S. ; Llorente, Ignacio M. | IEEE Computer Society | 2009Virtual machines can greatly simplify grid computing by providing an isolated, well-known environment, while increasing security. Also, they can be used as the base technology to dynamically modify the computing elements of a grid, so providing [...]texto impreso
Cluster-based solutions are being widely adopted for implementing flexible, scalable, low-cost and highperformance web server platforms. One of the main difficulties to implement these platforms is the correct dimensioning of the cluster size, s[...]texto impreso
Rodero Merino, Luis ; Vaquero, Luis M. ; Gil, Victor ; Galán, Fermín ; Fontán, Javier ; Montero, Ruben S. ; Llorente, Ignacio M. | Elsevier | 2010-03Clouds have changed the way we think about IT infrastructure management. Providers of software-based services are now able to outsource the operation of the hardware platforms required by those services. However, as the utilization of cloud plat[...]texto impreso
Moreno-Vozmediano, Rafael ; Montero, Ruben S. ; Huedo Cuesta, Eduardo ; Llorente, Ignacio M. | Springer | 2017-03-22Federated cloud networking is needed to allow the seamless and efficient interconnection of resources distributed among different clouds. This work introduces a new cloud network federation framework for the automatic provision of Layer 2 (L2) a[...]texto impreso
Huedo Cuesta, Eduardo ; Montero, Ruben S. ; Moreno-Vozmediano, Rafael ; Llorente, Ignacio M. | IEEE Computer Society | 2017-09The BEACON framework enables the provision of federated cloud infrastructures, with special emphasis on inter-cloud networking and security issues, to support the automated deployment of applications and services across different clouds and data[...]texto impreso
Moreno-Vozmediano, Rafael ; Montero, Ruben S. ; Llorente, Ignacio M. | IEEE Computer Society | 2010-10-28Cloud computing is gaining acceptance in many IT organizations, as an elastic, flexible, and variable-cost way to deploy their service platforms using outsourced resources. Unlike traditional utilities where a single provider scheme is a common [...]
