Software-defined network (SDN) and network function virtualization (NFV) have entirely
changed the way internetwork backhaul should be utilized and behaved for virtualized …

The network function virtualization (NFV) paradigm is an emerging technology that provides
network flexibility by allowing the allocation of network functions over commodity hardware …

With the development of the Internet of Things, trust has become a limited factor in the
integration of heterogeneous IoT networks. In this regard, we use the combination of …

Service Function Chaining (SFC) is a trending paradigm, which has helped to introduce
unseen flexibility in telecom networks. Network service providers, as well as big network …

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 …

Network function virtualization (NFV) technology enables cloud service providers (CSPs) to
deploy their service function chains (SFCs) into the common shared physical infrastructures …

The advent of virtualization-based infrastructure needed for 5G brought new challenges in
utilizing the existing physical network infrastructure effectively. Designing physical routes …

The availability schedule provides information on whether each network node is available at
each time slot. The service interruptions caused by node unavailability marked in availability …

Network function virtualization promises a significant advantage for addressing diverse
quality of service requirements via chains of Virtual Network Functions (VNFs). Service …

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