Walter Cerroni - Academia.edu (original) (raw)

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Papers by Walter Cerroni

In 2013, the IEEE Future Directions Committee (FDC) formed an SDN work group to explore the amoun... more In 2013, the IEEE Future Directions Committee (FDC) formed an SDN work group to explore the amount of interest in forming an IEEE Software-Defined Network (SDN) Community. To this end, a Workshop on "SDN for Future Networks and Services" (SDN4FNS'13) was organized in Trento, Italy (Nov. 11 th -13 th 2013). Following the results of the workshop, in this paper, we have further analyzed scenarios, prior-art, state of standardization, and further discussed the main technical challenges and socio-economic aspects of SDN and virtualization in future networks and services. A number of research and development directions have been identified in this white paper, along with a comprehensive analysis of the technical feasibility and business availability of those fundamental technologies. A radical industry transition towards the "economy of information through softwarization" is expected in the near future.

Proceedings of the 2014 ACM SIGCOMM workshop on Distributed cloud computing - DCC '14, 2014

2014 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), 2014

The idea of computing utility incarnated by the cloud paradigm is gaining a lot of success, both ... more The idea of computing utility incarnated by the cloud paradigm is gaining a lot of success, both for entertainment and business applications. The consequent increasing demand of computing, storage and communication resources within data centers is fostering new forms of infrastructure sharing such as cloud federations, which can take advantage of virtualization technologies and, in particular, of multiple virtual machine live migration techniques. Such a scenario requires a quantitative characterization of the performance of the inter-data center network infrastructure underlying the cloud federation. In this paper we propose an analytical model useful to dimension network capacity in order to achieve some given performance level in a federate cloud, assuming some simple multiple virtual machine live migration strategies.

Optical Fiber Communication Conference and National Fiber Optic Engineers Conference, 2009

… Conference, 2009. FIE'09. 39th IEEE, Jan 1, 2009

"Computer networking laboratories represent a key resource for ICT-oriented academic organization... more "Computer networking laboratories represent a key resource for ICT-oriented academic organizations. However, due to the particular nature of their users (i.e. students who must learn and experiment while working on real network equipment), it is difficult to design and implement fully functional laboratory facilities while still complying with budget, academic and management objectives. Therefore, physical laboratories are often replaced by virtual or simulated environments, which may limit the student’s learning experience.
This paper describes an innovative approach to the development of computer networking laboratories. The approach defines a specific management infrastructure that allows efficient performance of all the required computer and equipment maintenance tasks, while still supporting a true hands-on experience. Another important feature is the distributed nature of the laboratory infrastructure, where multiple teams of students are allowed to work simultaneously; thus fostering student interaction and teamwork experiences."