Remerciements

The authors thank Jeff Haas, Mohamed Boucadair, Thomas Graf, and Prasad S. Narasimha for their valuable input. They also thank Giuseppe Fioccola for the OPSDIR review, Jouni Korhonen for the GENART review, Bruno Decraene for the RTGDIR review, and Gunter van de Velde, Eric Vyncke, and Ketan Talaulikar for the IESG review.