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In this paper, we introduce an IP multimedia sub-system (IMS) based testbed which provides a platform for the study of real-time services integration and orchestration. This open-source based testbed is built on the principle of service oriented architecture (SOA), with an emphasis for real-time network services. We further developed service-oriented system functionalities such as optical network...
The purpose of this study is to identify the key security issues within the context of software based VoIP (Voice over Internet Protocol) which are engaged in the process of data exchange on the converged networks. There is no one single solution for VoIP security; it is all depended on the type of customers, existing IT environment and carriers. In order to narrow down the focus we will concentrate...
Four basic functional extensions are likely to enhance future IP networking for fixed and mobile applications: IP security (IPsec), mobile IP, quality-of-service (QoS) and IP multicast. These four functions are expected to be natively integrated into IP version 6 rather than implementing them as version 4 add-ons. As each functional extension increases complexity and may introduce interdependencies,...
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