The essential guide to telecommunications
The essential guide to telecommunications
Vertical handoffs in wireless overlay networks
Mobile Networks and Applications - Special issue: mobile networking in the Internet
Wireless and Mobile Network Architectures
Wireless and Mobile Network Architectures
Design of a Multi-layer Bandwidth Broker Architecture
INTERWORKING '00 Proceedings of the 5th IFIP TC6 International Symposium on Next Generation Networks, Networks and Services for the Information Society
ISCC '02 Proceedings of the Seventh International Symposium on Computers and Communications (ISCC'02)
A user-centric analysis of vertical handovers
Proceedings of the 2nd ACM international workshop on Wireless mobile applications and services on WLAN hotspots
The 'pure-IP' Moby Dick 4G architecture
Computer Communications
A self-adaptive service provisioning framework for 3G+/4G mobile applications
IEEE Wireless Communications
Control and management in next-generation networks: challenges and opportunities
IEEE Communications Magazine
Component-based charging in a next-generation multimedia network
IEEE Communications Magazine
The software radio architecture
IEEE Communications Magazine
A solution for secure SIP conferencing over IMS and SAE
WSEAS TRANSACTIONS on COMMUNICATIONS
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Nowadays there is more acceptance of the concept of the Next Generation Networks (NGN) as a result of the integration between fixed and mobile telecommunications with data networks, in order to provide service delivery of multimedia contents. This means that many different types of end-systems, access platforms, backbones and services must interoperate and respect some agreements to deliver services with appropriate quality and affordable prices. However, there are many issues about the convergent technologies, such as the control of the data flow when it is crossing networks with different technologies, or how to maintain the appropriate Quality of Service for a specific application. The objectives of this work are drawing a scenario about the convergent environment, establishing a framework which is comprised of issues of mobility, interactivity and convergence, and discussing the concept of QoS Broker as a way to comprise many questions related to QoS.