- http://www.ciscoknowledgenetwork.com/files/300_11-06-2012-NGN-IPv4-Exhaust-IPv6Strategy.pdf
- CGv6 on ISM: NAT44 Deployment Guide
- CGv6 on ISM: Features Supported Across IOS-XR Releases
- Advanced – Carrier Grade NAT44 on IOS-XR Deployment Experience
- https://supportforums.cisco.com/docs/DOC-38475
- https://supportforums.cisco.com/docs/DOC-37835
CGNAT, MAP,MAP-T, MAP-E knowledge collection
