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
The failure of a single network element composing a Service Function Chain (SFC)
unavoidably leads to some degradation in terms of availability (ability of guaranteeing …

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 …

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 …

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 …

[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 …

Statistical assessment of IP multimedia subsystem in a softwarized environment: A queueing networks approach

M Di Mauro, A Liotta - IEEE Transactions on Network and …, 2019 - ieeexplore.ieee.org
The Next Generation 5G Networks can greatly benefit from the synergy between
virtualization paradigms, such as the Network Function Virtualization (NFV), and service …

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 …

Service function chaining deployed in an NFV environment: An availability modeling

M Di Mauro, M Longo, F Postiglione… - … IEEE Conference on …, 2017 - ieeexplore.ieee.org
Nowadays, network and telecommunication operators require flexible and dynamic models
to deploy new services in a fast, reliable and cost saving way. The Service Function …

Reliability and survivability methodologies for next generation networks

M Guida, M Longo, F Postiglione - … of the 6th International Conference on …, 2008 - dl.acm.org
This paper aims to review some reliability and availability methodologies suitable to
characterize telecommunication networks behavior, in particular, in the presence random …

Performance evaluation of IMS-based core networks in presence of failures

M Guida, M Longo, F Postiglione - 2010 IEEE Global …, 2010 - ieeexplore.ieee.org
In order to evaluate performance of mobile networks, it is necessary to consider the
occurrence of random failures causing performance degradation and the consequent repair …