To accelerate the implementation of network functions/middle boxes and reduce the
deployment cost, recently, the concept of network function virtualization (NFV) has emerged …

Network resource virtualization emerged as the future of communication technology
recently, and the advent of Software Define Network (SDN) and Network Function …

A suitable virtual network function (VNF) placement considering a node availability schedule
extends service continuous serviceable time by suppressing service interruptions caused by …

Network function virtualization (NFV) is an emerging design paradigm that replaces physical
middlebox devices with software modules running on general purpose commodity servers …

As a new research concept for both academia and industry, there are several challenges
faced by the Network Function Virtualization (NFV). One such challenge is to find the optimal …

This paper proposes a virtual network function (VNF) placement model considering both
availability and probabilistic protection for service delay to minimize the service deployment …

Abstract In multiple Service Nodes (SNs) in a Network Function Virtualization (NFV)
environment, numerous network functions are carried out. This study concerns the selection …

This dissertation investigates the Network Function Virtualization (NFV) service delivery
problems in the future Internet. With the emerging Internet of everything, 5G communication …

A modern Network Function Virtualization (NFV) service is usually expressed in a service
chain that contains a list of ordered network functions, each can run in one or multiple virtual …

This paper proposes an optimization model to derive the virtual network function (VNF)
allocation of time slots in sequence aiming to maximize the continuous available time of …