Modeling and evaluating NFV-enabled network services under different availability modes

B Tola, G Nencioni, BE Helvik… - 2019 15th International …, 2019 - ieeexplore.ieee.org
Network and Telecom operators are continuously embracing the adoption of Network
Function Virtualization (NFV) as a means to provide more agile, flexible and cost-efficient …

Network-aware availability modeling of an end-to-end NFV-enabled service

B Tola, G Nencioni, BE Helvik - IEEE Transactions on Network …, 2019 - ieeexplore.ieee.org
Network Function Virtualization (NFV) represents a key shift in nowadays network service
provisioning by entailing higher flexibility, elasticity, and programmability of network …

Towards carrier-grade service provisioning in NFV

YT Woldeyohannes, B Tola… - 2019 15th International …, 2019 - ieeexplore.ieee.org
Network Function Virtualization (NFV) is an emerging technology that reduces cost and
brings flexibility in the provisioning of services. NFV-based networks are expected to be able …

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 …

Protection strategies for dynamic VNF placement and service chaining

L Askari, M Tamizi, O Ayoub… - … and Networks (ICCCN), 2021 - ieeexplore.ieee.org
Network Function Virtualization (NFV) provides a major shift in the provisioning of
telecommunication services by decoupling network functions from dedicated hardware …

On the resilience of the NFV-MANO: An availability model of a cloud-native architecture

B Tola, Y Jiang, BE Helvik - 2020 16th International Conference …, 2020 - ieeexplore.ieee.org
With Network Function Virtualization (NFV), the management and orchestration of network
services require a new set of functionalities to be added on top of legacy models of …

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 and failure rate of VNF instances: impacting parameters and calculation methods

S Azadiabad, F Khendek… - 2022 13th International …, 2022 - ieeexplore.ieee.org
Network Function Virtualization (NFV) defines a dynamic environment to deploy Virtual
Network Functions (VNF) as constituents of Network Services (NS) that provide specific …

A reliability-aware approach for resource efficient virtual network function deployment

J Sun, G Zhu, G Sun, D Liao, Y Li, AK Sangaiah… - IEEE …, 2018 - ieeexplore.ieee.org
Network function virtualization (NFV) is a promising technique aimed at reducing capital
expenditures (CAPEX) and operating expenditures (OPEX), and improving the flexibility and …

Availability-aware service chain composition and mapping in NFV-enabled networks

M Wang, B Cheng, S Zhao, B Li… - … Conference on Web …, 2019 - ieeexplore.ieee.org
Network Function Virtualization (NFV) is an emerging technology decouples network
functions from hardware. Network service in NFV is deployed as a service chain, also known …