The emerging software defined networking (SDN) paradigm separates the data plane from
the control plane and centralizes network control in an SDN controller. Applications interact …

Network virtualization enables the share of a physical network among multiple virtual
networks. Virtual network embedding determines the effectiveness of utilization of network …

In this paper, network function virtualization (NFV) is identified as a promising key
technology, which can contribute to energy-efficiency improvement in 5G networks. An …

In this paper, we discuss energy-efficiency improvements in core networks obtained as a
result of work carried out by the GreenTouch consortium over a five-year period. A number of …

Cloud computing built on virtualization technologies can provide Internet service providers
(SPs) with elastic virtualized node and link resources. SPs can outsource their virtualized …

Abstract Service function chaining (SFC) provisioning is helpful not only for saving the
capital expenditure (CAPEX) and operational expenditure (OPEX) of a network provider but …

Network virtualization (NV) is pushed forward by its proponents as a crucial attribute of next
generation network, aiming at overcoming the gradual ossification of current networks …

Having a cognitive and self-optimizing network that proactively adapts not only to channel
conditions, but also according to its users' needs can be one of the highest forthcoming …

Recent advances in mobile technologies and cloud computing services have inspired the
development of cloud-based real-time health monitoring systems. However, the transfer of …

The popularity of the Internet and the demand for 24/7 services uptime is driving system
performance and reliability requirements to levels that today's data centers can no longer …