Recommendation ITU-T Y.2053 provides feasible IPv6 migration scenarios and functional requirements necessary for them.
ITU-T Y.2053-2008 Referenced Document
ITU-T Y.2011-2004 General principles and general reference model for next generation networks SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE INTERNET PROTOCOL ASPECTS AND NEXT GENERATION NETWORKS Next Generation Networks Frameworks and functional architecture models Study Gro*， 2024-04-19 Update
ITU-T Y.2012-2006 Functional requirements and architecture of the NGN release 1 Study Group 13
ITU-T Y.2111-2006 Resource and admission control functions in Next Generation Networks Study Group 13
ITU-T Y.2701-2007 Security requirements for NGN release 1 Study Group 13
ITU-T Y.2053-2008 history
2008ITU-T Y.2053-2008 Functional requirements for IPv6 migration in NGN Study Group 13