Das Internet kann nie schnell genug sein. Reaktionsschnelligkeit ist und bleibt eine der
wichtigsten Eigenschaften von Internet-Anwendungen. Die meisten Anwendungen im …

In this thesis, we design three new authentication mechanisms based on user identity.
Therefore, we bring improvements in access control for different classes of networks such as …

The network management, especially monitoring and correction of QoS degradation, is
becoming an increasingly difficult task. Indeed the network size evolution and diversity of …

The integration of IMS networks will enable telecom operators to evolve in a manner
transparent to the incessant demand for the multimedia services. However the QoS …

The appearance of new uses underlines the need for a greater quality of service (QoS) not
only for conveying accurately or increasing a certain traffic, but also conveying it as soon as …

This paper gives a general overview of the ITIL service lifecycle and problems addressed by
experimenters in the different phases of such a process. To address these needs, the …

É possível utilizar a infra-estrutura da NGN com Servidor de Aplicação como Distribuidor
Automático de Chamadas (DAC) e Servidores de Mídia como Unidade de Resposta Audível …

SYSTEM ARCHITECTURE WITH E-UTRAN -- 3GPP ACCESS NETWORKS Page 1
International Journal of Computer Trends and Technology- March to April Issue 2011 ISSN:2231-2803 …

Digital convergence is becoming increasingly important to both network operators and end
users. Network operators look to Next Generation Network (NGN) solutions to meet the ever …

Presence and instant messaging are the two important services offered on top of IP
Multimedia subsystem. Instant messages can be session based or immediate. In both cases …