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In recent years the interest in supporting voice over IP (VoIP) services over wireless local area networks (WLANs) based on IEEE 802.11 standard is growing. A key issue on this topic is to understand how well the 802.11 can support quality of service (QoS) for VoIP services. Recently ITU-T has released the E-model recommendation to evaluate voice quality(More)
Over the paste decade, IPv6 community's efforts to promote the next generation of the IP protocol revolved around generating business models that would justify the migration costs. The context, a depleting global address pool, and the target, global services, missed on one interesting opportunity for IPv6. Larger IP Service Provider and Enterprise networks(More)
One of the main objectives of so-called next generation systems is to overcome the limitations of today's available Internet by adopting an approach based on the integration of different mobile (both satellite and terrestrial) and fixed networks. The Global Mobile Broadband System (GMBS) proposed by the SUITED project moves in this direction. This article(More)
This publication has been included here just to facilitate downloads to those people asking for personal use copies. This material may be published at copyrighted journals or conference proceedings, so personal use of the download is required. In particular, publications from IEEE have to be downloaded according to the following IEEE note: c 2007 IEEE.(More)
This publication has been included here just to facilitate downloads to those people asking for personal use copies. This material may be published at copyrighted journals or conference proceedings, so personal use of the download is required. In particular, publications from IEEE have to be downloaded according to the following IEEE note: c 2007 IEEE.(More)
This document focuses on DiffServ Quality of Service Approach and in particular on Assured Forwarding Service. A new scheduling architecture is proposed in order to avoid some drawbacks carried by the standard DiffServ Approach as, for example, the lack of granularity in data traffic policing which may lead to degradation of quality of service for all data(More)
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