The December issue of “RTI” is online. The edition highlights the “ISPs Vendors Award - 4th edition”, on page 20, survey carried out with ISPs to find out which brands are most used in their networks in 30 product categories, ranging from antennas to routers, and the special coverage “ISPs - Payment methods”, on page 30, presenting the payment intermediation solutions offered by the main players in the market for the segment, such as issuing bank slips, payment slips and credit cards. See on page 54 the article “Energy efficiency with renewable sources”, showing that, with the perspective of growth in energy consumption in the coming years, data center companies are looking to use renewable sources to power IT loads. Furthermore, on page 72, the article “IoT for electrical energy management”, a study that presents how IoT devices - Internet of Things can contribute to the monitoring of information on energy production and distribution in smart grids.