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The delivery of bulk data is an increasingly pressing problem in modern networks. While in some cases these transfers happen in background without specific constraints in terms of delivery times, there are a number of scenarios in which the transfer of tens of GB of data must occur in specific, limited time windows. In order to face this task, a suitable solution is the deployment of virtual links...
In this article, we design and demonstrate a signaling architecture for multicast and broadcast services over a laboratory-emulated worldwide interoperability for microwave access (WiMAX) network. WiMAX is a broadband wireless access technology which includes different quality of service levels. Currently, a significant research effort focuses on data transmission optimization and mobility support...
This paper shows the practical aspects to be considered in order to face the Fault Management problem in a network deploying VoIP services for both wireless and wired access. The real network analyzed includes all the entities necessary for implementing a plain VoIP service, according to the NGN architecture. We provide the KPI definition, along with a detailed description which refers to the practical...
We present NetServ, a node architecture for deploying in-network services in the next generation Internet. NetServ-enabled network nodes provide a common execution environment, where network services implemented as modules can be dynamically installed and removed. We demonstrate three such modules. MicroCDN is a dynamic content distribution network (CDN) service which implements a content caching...
This article shows an autonomic management solution based on the recently defined programmable node architecture NetServ. The article starts with a general description of the classical network management requirements and their adaptation to the expected network evolution. After a description of the major issues characterizing the management of the expected Future Internet, the main autonomic management...
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