Cloud computing is an emerging paradigm to provide Infrastructure as a Service (IaaS). In this paper we present NEPTUNE-IaaS, a software system able to support the whole lifecycle of IaaS provisioning in a Virtual Cluster environment. Our system allows interactive design of complex system topologies and their efficient mapping onto the available physical resources of a cluster. It also provides transparent VM migration features across geographically distributed datacenters, thanks to the adoption of the Service Switching paradigm. We also evaluate the effectiveness of the VM mapping procedures and compare our solution against other existing IaaS solutions.
In the last few years many emulation systems have been developed to evaluate the effectiveness of new protocols and applications in realistic and controllable network scenarios. NEPTUNE is a flexible architecture for cluster-based network emulation systems designed and implemented at University of Napoli Federico II. In this poster we present the key components of the NEPTUNE architecture, an in particular the NEPTUNE manager, an open-source software managing the lifecycle of emulation experiments
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