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The paper focuses on end-to-end resilience analysis of the IMS based network through the principal resilience parameters by using OPNET. The resilience behaviours of communication across multiple IMS domains are investigated at different communication scenarios and compared with previous state-of-the-art. Moreover, the resilience effects when adding a redundancy of the S-CSCF unit are examined. The...
This paper evaluated resilience of the reference IMS based network topology in operation through the keys reliability parameters via OPNET. The reliability behaviors of communication within similar and across registered home IMS domains were simulated and compared. Besides, the reliability effects when increasing requested traffics were presented; as well, the results were compared when applying equally...
Reliability evaluation of systems has been widely researched for improving system resilience especially in designing processes of a complex system. The convergence of different access networks is possible via IP Multimedia Subsystem (IMS) for development toward Next Generation Networks (NGNs) and supporting always on services. Therefore, not only Quality of Service (QoS) but also resilience is required...
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