It is known that by incorporating network function virtualization (NFV) in inter-datacenter
(inter-DC) networks, service providers can use their network resources more efficiently and …

With the rapid development of information and communication technology (ICT), the demand
for flexible and cost-effective network services (NSs) is growing exponentially. Network …

Acting as a promising technology to bring revolutionary changes to how the networks are
architected, network function virtualization (NFV) leverages IT virtualization technologies to …

We study how to allocate spectrum and IT resources jointly for realizing efficient virtual
network function (VNF) service chaining in inter-datacenter elastic optical networks. We first …

In today's datacenters (DCs), IT resources virtualization is leveraged to realize Network
Function Virtualization (NFV) over general-purpose servers. Meanwhile, most of the service …

This work addresses the relatively long setup latency and complicated network control and
management caused by on-demand virtual network function service chain (vNF-SC) …

In Network Function Virtualization (NFV), traditional purpose-built proprietary middle-boxes
are replaced with virtual network function (VNF) instances that are deployed over generic …

In an operator's datacenter, optical technologies can be employed to perform network
function (NF) chaining for larger aggregated flows in parallel with the conventional packet …

This paper addresses the problems of mapping virtual optical networks (VONs) onto space-
division-multiplexing elastic optical data center networks (SDM-EODCNs). We first propose …

Network function virtualization (NFV) in elastic optical datacenter interconnections (EO-
DCIs) enables flexible and timely deployment of network services. However, as the service …