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Testing of network elements on conformance to their respective protocol specification has become a common phase during the development process. For this purpose, special programming languages, such as TTCN-3, as well as tools are available. In the context of testing complex communication architectures on conformity, further difficulties were revealed. When testing hybrid network elements with multiple...
The IP multimedia subsystem (IMS) has been standardized to offer multimedia services over an internet protocol (IP) based infrastructure. These services require different quality-of-service (QoS) classes, hence the importance of providing QoS services through seamless interconnection networks is fueling an increasing interest in the next generation network (NGN). A critical issue regarding deployment...
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