Green communications have always been a target for the information industry to alleviate
energy overhead and reduce fossil fuel usage. In the current 5G and future 6G eras, there is …

This work presents an estimation of the global electricity usage that can be ascribed to
Communication Technology (CT) between 2010 and 2030. The scope is three scenarios for …

A detailed survey of approaches reducing energy consumption of core networks is
presented in this paper. We consider a multilayer architecture, in which the optical layer can …

To overcome the Internet ossification, network virtualization has been proposed as a
promising method because of its advantages (eg, on-demand and efficient resource …

ISP networks have become a critical infrastructure in our society. Traffic in these networks is
growing and is increasingly dominated by a small number of large CDNs connecting at …

Green communications have always been a target for the information industry to alleviate
energy overhead and reduce fossil fuel usage. In current 5G and future 6G era, there is no …

This article analyzes the impact that sleep mode (SM)-based green strategies have on the
reliability performance of optical and cellular network elements. First, we consider a device …

Optical networks can support a large amount of IP traffic in the next generation of networks
with energy efficiency awareness. However, the ever increasing demand of IP traffic also …

With the intensive development of urban rail transit in China, urban rail transit has
increasingly become the preferred mode of transportation for citizens due to its convenience …

This survey article reviews the challenges associated with deploying and optimizing big data
applications and machine learning algorithms in cloud data centers and networks. The …