In this paper we have presented the main characteristics of the most important reference archi-tectures designed for the cloud computing environment. Specifically, we have introduced the proposed architectures of the worldwide cloud computing companies like Cisco, IBM and VMware and we also had...

L'objectif de notre communication est de comprendre la construction des Business Models des fournisseurs de services nécessitant des infrastructures lourdes dans l'industrie de l'informatique, suite à l'émergence du Cloud Computing. Nous nous appuyons sur les neuf blocs de base proposés par...

The high degree of centralisation that characterises many cloud-based services raises a series of challenges in terms of (a) security, due to there being only a few points of failure or attack, (b) privacy, due to the users' lack of control over the collection and use of personal data, and (c)...