RonPub UG (haftungsbeschränkt) http://www.ronpub.com Ahmed Khaled Choonhwa Lee Sumi Helal Yi Xu Energy Savings in Very Large Cloud-IoT Systems 6-28 2019 Open Journal of Internet Of Things (OJIOT) 5 5 http://nbn-resolving.de/urn:nbn:de:101:1-2019092919332044579216 https://www.ronpub.com/ojiot/OJIOT_2019v5i1n02_YiXu.html https://www.ronpub.com/OJIOT_2019v5i1n02_YiXu.pdf