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The purpose of this work is to provide an enhanced adaptive approach to classic queue-based Bandwidth-on-Demand (BoD) procedures in broadband satellite networks. In queue-based schemes, the controller's objective is to drive the buffer queue length to an appropriate reference queue length, and the efficiency of the control strictly depends on the choice of its reference value. In latest approaches,...
Generalized Multiprotocol Label Switching, or GMPLS, is a suite of protocols to enable automated resource discovery, automated service provisioning and automated failure recovery. Driven by the benefit of improved network reliability (through protection or fast failure recovery) and reduced network OPEX, an increasing amount of GMPLS enabled networks are now being deployed in metro area and even in...
With the increasing utilization of multimedia applications and triple play services, multimedia traffic (using TFRC-TCP friendly rate protocol) will be occupying an important portion of Internet in competition with TCP traffic. However, the increasing occupation will be accompanied by complex user's bandwidth requests. In satellite based systems such as DVB-S2/RCS, the management of this resource...
We discuss in this paper basic requirements of an RCST gateway supporting VoIP traffic without strict QoS provisioning. Besides easing the system design, a QoS management not based on reservation is suitable to accomplish changes in traffic scenarios and to support new applications. The main elements of this architecture are illustrated throughout the paper following a layered structure. A preliminary...
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