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The mobility with quality of service in wireless networks is a reality ever closer. The need for mobility while communicating becomes more and more necessary. Technologies for wireless networks with interoperability develops the concept of "communications anytime anywhere". Interoperability uses the handover to ensure the mobility of a mobile terminal through various communication infrastructures,...
Mobility has become a keyword nowadays with the evolution of mobile devices market and proliferation of real-time services. IP Multimedia Subsystem (IMS) is a single, standardized service framework that supports voice, video, data and messaging services, but does not provide seamless mobility for packet based sessions. This paper purposes an IMS architecture with IEEE 802.21 and media-independent...
Currently, due to questions of financial order, the Internet Service Providers do not invest in rural areas, because the investment does not pay. This fact originates, more and more, the appearance of the so called WBN (Wireless Broadband Networks), that are going to supply Internet access to the populations, discriminated by this circumstance. The aspects related to the management of these networks...
The main objective of the IETF differentiated services (DiffServ) model is to allow the support on the Internet of different levels of service to different sessions and information flows, aggregated in a few number of traffic classes. This model shows some security limitations that are inherent to the DiffServ model. This paper proposes an architecture for authentication, authorization, admission...
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