Availability modeling of a virtualized IP multimedia subsystem using non-Markovian stochastic reward nets

M Di Mauro, G Galatro, M Longo… - Safety and Reliability …, 2018 - taylorfrancis.com
A significant fraction of current research in telecommunications is investigating new
paradigms to guarantee high flexibility in deploying network infrastructures. Network …

IP multimedia subsystem in an NFV environment: Availability evaluation and sensitivity analysis

M Di Mauro, G Galatro, M Longo… - … IEEE Conference on …, 2018 - ieeexplore.ieee.org
The Network Function Virtualization (NFV) paradigm is giving impetus to novel
telecommunication infrastructures that readily benefit from virtualized environments. One of …

Availability modeling and evaluation of a network service deployed via NFV

M Di Mauro, M Longo, F Postiglione… - … . Towards a Smart and …, 2017 - Springer
Abstract The Network Function Virtualization (NFV) has been conceived as an enabler of
novel network infrastructures and services that can be deployed by combining virtualized …

[PDF][PDF] Availability evaluation of the virtualized infrastructure manager in Network Function Virtualization environments

M Di Mauro, F Postiglione, M Longo… - Risk, Reliability and …, 2016 - researchgate.net
The Network Function Virtualization (NFV) initiative involving the European
Telecommunications Standard Institute (ETSI) and a group of telecom companies, started in …

Automated generation of availability models for SFCs: The case of virtualized IP multimedia subsystem

M Di Mauro, G Galatro, M Longo… - NOMS 2020-2020 …, 2020 - ieeexplore.ieee.org
The reputation of network providers strongly depends on their ability to guarantee high
performance levels of virtualized infrastructures, and to maintain strict Quality-of-Service …

Performability of network service chains: Stochastic modeling and assessment of softwarized IP multimedia subsystem

M Di Mauro, G Galatro, F Postiglione… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Service provisioning mechanisms implemented across 5G infrastructures take broadly into
use the network service chain concept. Typically, it is coupled with Network Function …

[PDF][PDF] Availability evaluation of a virtualized IP Multimedia Subsystem for 5G network architectures

M Di Mauro, G Galatro, M Longo… - Safety and Reliability …, 2017 - researchgate.net
In the era of fifth generation (5G) telecommunication systems, a flexible, cost saving and
reliable deployment of the network infrastructures appears to be a crucial issue. The …

Performability Management of Softwarized IP Multimedia Subsystem

M Di Mauro, G Galatro, M Longo… - NOMS 2020-2020 …, 2020 - ieeexplore.ieee.org
IP Multimedia Subsystem (IMS) represents a crucial element for the convergence of
telecommunication systems heading towards 5G solutions. Actually, IMS offers a …

IP Multimedia Subsystem in a containerized environment: availability and sensitivity evaluation

M Di Mauro, G Galatro, M Longo… - … IEEE Conference on …, 2019 - ieeexplore.ieee.org
Nowadays, telecom providers may benefit from the flexibility offered by Network Function
Virtualization (NFV) paradigm that allows to decouple the service logic from the underlying …

A comprehensive availability modeling and analysis of a virtualized servers system using stochastic reward nets

TA Nguyen, DS Kim, JS Park - The Scientific World Journal, 2014 - Wiley Online Library
It is important to assess availability of virtualized systems in IT business infrastructures.
Previous work on availability modeling and analysis of the virtualized systems used a …