Authors' Addresses

Stephane Bortzmeyer AFNIC 1, rue Stephenson Montigny-le-Bretonneux 78180 France

Phone: +33 1 39 30 83 46 Email: [email protected] URI: https://www.afnic.fr/

Shumon Huque Verisign Labs 12061 Bluemont Way Reston, VA 20190 United States of America

Email: [email protected] URI: http://www.verisignlabs.com/