The Internet Protocol Journal, Volume 13, 2010. Article Author(s) Page ------------------------------------------------------------------------------- * Volume 13, No. 1, March 2010: Rolling Over DNSSEC Keys Michaelson/Wallstrom/ Arends/Huston 2 Virtual Aggregation Francis/Xu 17 RFC Editor in Transition Leslie Daigle 26 * Volume 13, No. 2, June 2010: NAT++: Address Sharing in IPv4 Geoff Huston 2 Operational Challenges When Implementing DNSSEC Eklov/Lagerholm 16 Book Review: The Art of Scalability Dave Crocker 27 * Volume 13, No. 3, September 2010: PMIPv6 Soto/Bernardos/ Calderon/Melia 2 Happy Eyeballs Wing/Yourtchenko 16 Letter to the Editor Paul Dover 22 * Volume 13, No. 4, December 2010: Emergency Services for Internet Multimedia Tschofenig/Schulzrinne 2 Integration of Core BGP/MPLS VPN Networks Veitch/Hitchen/Mitchell 18 Letter to the Editor Roque Gagliano 32 Book Review: A History of the Internet Dave Crocker 33 ------------------------------------------------------------------------------- IPJ is published quarterly by the Chief Technology Office, Cisco Systems, Inc. URL: www.cisco.com/ipj Tel: +1 408 526-4000 E-mail: ipj@cisco.com ISSN 1944-1134 Copyright (c) 2010 Cisco Systems, Inc. All rights reserved. Cisco, the Cisco logo, and Cisco Systems are trademarks or registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries. All other trademarks mentioned in this document or Website are the property of their respective owners. Printed in the USA on recycled paper. -------------------------------------------------------------------------------