Semi-Markov models for performance evaluation of failure-prone IP multimedia subsystem core networks

M Guida, M Longo, F Postiglione… - Proceedings of the …, 2013 - journals.sagepub.com
Internet protocol (IP) multimedia subsystem (IMS). Their planning and deployment must take
into account the occurrence of random failures … induced by failures and recoveries, such as …

Uninterruptible IMS: Maintaining Users Access During Faults in Virtualized IP Multimedia Subsystem

MT Raza, S Lu - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
… procedure takes tens of seconds to recover from control-plane failure, which is very high for
operational IMS network. To investigate how IMS fault recovery procedures work, we perform …

Call failure prediction in ip multimedia subsystem (ims) networks

A Bahaa, M Shehata, SM Gasser, MS El-Mahallawy - Applied Sciences, 2022 - mdpi.com
… According to [41], the failure recovery in virtual IMS (vIMS) takes up to tens of seconds.
Therfore, the authors aim to achieve a high level of resilience in vIMS by continuing to serve …

Availability analysis of ip multimedia subsystem in cloud environments

M Di Mauro, G Galatro, M Longo… - … on System …, 2019 - ieeexplore.ieee.org
… environment which realizes a Disaster-Recovery-as-a-Service … If we consider a docker
level failure, once TfDCK is fired, the (… of a virtualized IP multimedia subsystem for 5G network

[PDF][PDF] Availability Assessment of IP Multimedia Subsystem in an NFV-based Environment

M Di Mauro, G Galatro, M Longo… - … in Future Internet  …, 2018 - researchgate.net
… manner, network elements of an IP Multimedia Subsystem (… contribution: first, we introduce
a failure/repair model of a generic … aimed at characterizing more realistically the recovery time. …

Self organizing IP multimedia subsystem

A Dutta, C Makaya, S Das, D Chee, J Lin… - … Multimedia Services …, 2009 - ieeexplore.ieee.org
… number of network nodes which in turn will make the network … , processing, network loads
and node failures. One way to … , selfoptimization and self-recovery at the service layer. It …

An effective failure recovery mechanism for SIP/IMS services

WE Chen, LY Tseng, CL Chu - Mobile Networks and Applications, 2017 - Springer
… VoLTE (Voice over LTE) based on the IP Multimedia Subsystem (IMS) architecture provides
… This paper focuses on handling the service failure. The network failure is not in the scope of …

Comparative performability assessment of SFCs: The case of containerized IP multimedia subsystem

M Di Mauro, G Galatro, M Longo… - … on Network and …, 2020 - ieeexplore.ieee.org
… Abstract—The failure of a single network element composing … (aka performability) of IP
Multimedia Subsystem, an SFC … VMs to realize a Disaster-Recoveryas-a-Service paradigm. …

Survey of error recovery techniques for IP-based audio-visual multicast applications

G Carle, EW Biersack - IEEE Network, 1997 - ieeexplore.ieee.org
error control for real-time services and also discusses the influence of asynchronous transfer
mode (ATM)-specific vs. IP-specific networknetworks onto the error recovery mechanisms. …

User-transparent reconfiguration method for self-organizing IP multimedia subsystem

S Komorita, H Yokota, A Dutta… - … IEEE Symposium on …, 2011 - ieeexplore.ieee.org
… advanced multimedia services over an all-IP based network, has … the intermediate function
could fail or become overloaded … Thus a faster IPsec recovery mechanism would be required. …