Patrick Poullie, Burkhard Stiller: Cloud Flat Rates Enabled via Fair Multi-resource Consumption; Institut für Informatik, University of Zurich, Technical Report IFI-2015.03, Zürich, Switzerland, October 2015, URL: https://files.ifi.uzh.ch/CSG/staff/poullie/extern/publications/IFI-2015.03.pdf.