NDLI: Resilience in IMS: End-to-end reliability analysis via Markov Reward Models

Content Provider	IEEE Xplore Digital Library
Author	Kamyod, C. Nielsen, R.H. Prasad, N.R. Prasad, R.
Copyright Year	2012
Description	Author affiliation: Center for TeleInFrastruktur, Aalborg University, Aalborg, Denmark (Kamyod, C.; Nielsen, R.H.; Prasad, N.R.; Prasad, R.)
Abstract	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. In this paper, we attempt to evaluate and analyze end-to-end reliability of the IMS system using a model proposed as a combination of Reliability Block Diagram (RBD) and Markov Reward Models (MRMs). The resilience of the IMS architecture is studied by applying 1:1 redundancy at different communication scenarios between end users within and across communication domains. The model analysis provides useful reliability characteristics of the system and can be further applied for system design processes.
Starting Page	564
Ending Page	568
File Size	245792
Page Count	5
File Format	PDF
ISBN	9781467345330
ISSN	18825621
e-ISBN	9789860334074
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	NiCT
Subject Keyword	Analytical models Redundancy End-to-end reliability Quality of service Markov processes IP Multimedia Subsystems (IMS) Telecommunication network reliability Markov Reward Models (MRMs) Resilience
Content Type	Text
Resource Type	Article

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