1. ATIS & TISPAN JOINT MEETING ON NGN Washington D.C., 1 April 2005 MEETING SUMMARY Draft v2 (4 April 2005) Based on Notes from David Boswarthick (ETSI), TISPAN Support David.boswarthick@etsi.org [Draft v2 completed by Alain Le Roux (France Telecom), TISPAN Chairman, after review at the End of the Meeting] David.boswarthick@etsi.org

2. 1 April 2005Meeting on “NGN Framework” – SUMMARY -2 MEETING AGENDA 1.Introduction, Meeting Objectives, Agenda review 2.Overview of ATIS and NGN activities 3.Overview of ETSI TISPAN NGN activities 4.ATIS NGN Framework document -General Requirements -Network service enablers -Underlying Network/Support capabilities -Business Model driven requirements -US regulatory requirements -Framework Architecture (for Multimedia, PSTN/ISDN Emulation, …) 5.Review of the Workshop "IMS over Fixed Access" 6.TISPAN feedback on ATIS Framework document 7.Next steps (Future cooperation/interactions, Actions, Wrap-up)

3. 1 April 2005Meeting on “NGN Framework” – SUMMARY -3 1. Introduction, Objectives, Agenda Opening of meeting -Alain le Roux (TISPAN Chairman) and Bill O’Shea (ATIS NGN FG Chairman) opened the meeting and welcomed delegates to the joint Meeting Meeting Objectives -Presented in [TD_01_ATIS_TISPAN_Objectives] -Exchange of information -Seek areas of commonality, identify differences in respective NGN standardization initiatives -Next Steps on areas for cooperation Agenda -Presented in [TD_06_ATIS_TISPAN_AGENDA] -Agenda and was approved

4. 1 April 2005Meeting on “NGN Framework” – SUMMARY -4 2. Overview of ATIS_NGN activities Overview of ATIS -Presented in [TD_07_ATIS_Overview] -Presents ATIS and their approach to Standardization -ATIS are streamlining and prioritizing standards work -Removing redundancy and coordinating standards activities -Introduces the ATIS NGN Framework Part 1 -Presents the goals for collaboration

5. 1 April 2005Meeting on “NGN Framework” – SUMMARY -5 3. Overview of ETSI TISPAN_NGN activities TISPAN NGN Ongoing activities and plans -Presented in [TD_02_TISPAN_NGN_status] -Presents the ETSI TISPAN vision of NGN -Explains the TISPAN structure and working methods -Lists the Service requirements for TISPAN NGN -Describes work activities in various working groups -Presents the general TISPAN NGN architecture and motivators for re-use of 3GPP IMS Discussions -3GPP2 also references 3GPP IMS, and may also need to be involved in these discussions (for global connection scenarios). Similar situation with OMA, this needs to be considered. -TISPAN plans approve the appropriate H.248 profile for AGW in May 2005 -Number portability could be an area for cooperation between ETSI TISPAN and ATIS.

6. 1 April 2005Meeting on “NGN Framework” – SUMMARY -6 4. ATIS NGN Framework document Part 1 – NGN Definitions, requirements, and Architecture (Issue 1.0, Nov. 2004) -Full document in [TD_08_ATIS_NGN_Framework] -Contains the ATIS Issue 1.0 "NGN Framework document", up to Section 3, sent to TISPAN and other SDOs for comments -Provides a clear description of the various areas covered by the Framework document -ATIS welcomes comments from ETSI TISPAN on the content of this document

7. 1 April 2005Meeting on “NGN Framework” – SUMMARY -7 4.1 General requirements, End-user applications Overview -Presented in slides 6 to 12 of [TD_09_ATIS_NGN_Framework_overview] Interconnection Convergence (fixed/mobile/enterprise) Access network criteria Infrastructure evolution & Legacy services End-to-end transparency Services guiding principles (for converged networks) -Definition of NGN Interconnection requirements suggested as an area of cooperation

8. 1 April 2005Meeting on “NGN Framework” – SUMMARY -8 4.2 ATIS NGN Network service enablers -Presented in slides 13 to 18 of [TD_09_ATIS_NGN_Framework_overview] QoS –TISPAN_NGN R1 focuses on Access QoS –End-to-End QoS will be addressed in TISPAN_NGN R2 Presence and Personal profiles -TISPAN suggested that ATIS examine some of the work currently being done in TISPAN, 3GPP and OMA

9. 1 April 2005Meeting on “NGN Framework” – SUMMARY -9 4.3 Underlying Network/Support capabilities Presented in slides 19-20 of [TD_09_ATIS_NGN_Framework_overview] Security -Need to protect access to both network and subscriber information. -Main issue is authentication and integrity at all levels. Confidentiality is less important. -There is an additional threat to telecommunications from terrorist attack. Need for authentication of the originator (or of the access).

10. 1 April 2005Meeting on “NGN Framework” – SUMMARY -10 4.4 Business model driven requirements Presented in slides 22-30 of [TD_09_ATIS_NGN_Framework_overview] -4 Business drivers: -New Retail revenue -New Wholesale revenue -Cost reduction for existing services -Regulatory requirements -3 Keys for success -Customization through User Profile -Transparent third Party providers -Seamless service delivery

11. 1 April 2005Meeting on “NGN Framework” – SUMMARY -11 4.5 US Regulatory requirements Presented in slides 31-35 of [TD_09_ATIS_NGN_Framework_overview] -National Security (LI) and critical infrastructure (ETS) -Consumer requirements (E9-1-1) -Operation requirements (Number Portability, Number Pooling, Accounting, FCC rules)

12. 1 April 2005Meeting on “NGN Framework” – SUMMARY -12 4.6 Framework architecture Presented in slides 35-47 of [TD_09_ATIS_NGN_Framework_overview] -Identifies 4 key "layers" -Network Infrastructure (IP transport functions) -Sessions and Policy control functions -Application and Service capability functions -OAM&P Functions -Multiple Service Provider environment issues -Multiple Administrative and Technology domains -Interworking between multiple instances of Session, Policy and Service control -Interworking with legacy signalling/control instances

13. 1 April 2005Meeting on “NGN Framework” – SUMMARY -13 5. Review of the Workshop "IMS over Fixed Access" results/issues Workshop Highlights -Presented in [TD_05_Highlights_from_TISPAN_3GPP] -Presents the highlights of the discussions between TISPAN and 3GPP relating to the development on Fixed access to 3GPP IMS -Identifies areas of common work -Defines a mechanism for TISPAN to reference 3GPP IMS specifications Discussions -ATIS supports the goal of a single converged and unique IMS Core applicable to 3G Mobile and Fixed NGN -ATIS PTSC is looking at re-establishing the relationships with TISPAN to discuss issues incl. IP-IP Connect, Security and H.248 -TISPAN would appreciate being informed of the ATIS timescales

14. 1 April 2005Meeting on “NGN Framework” – SUMMARY -14 6. TISPAN feedback on ATIS Framework There appear, at high level, a full alignment between ATIS NGN Framework and the TISPAN views and approaches: –Business model, Service enablers, Architecture … –No significant differences are anticipated concerning Regulatory requirements ATIS expects to pursue –On priorities, Release definition and planning –Gap analysis, e.g. on the basis of TISPAN_NGN Release 1 ETSI TISPAN looking for cooperation –Will inform ATIS NGN FG of progress on their R1 –Send feedback on Release definition and gap analysis

15. 1 April 2005Meeting on “NGN Framework” – SUMMARY -15 7. Next steps/Future interactions … Areas of Common interest between TISPAN / ATIS -1) NGN interconnect including SBC (Session Border Control) functions -2) Emergency communications including emergency identification and routing -3) User identification, number portability, ENUM, and directory services (including GRX issues) -4) Security requirements and Access agnostic solutions (incl. gap analysis). Note – LI requirements are being coordinated thru existing arrangements. Future interactions -The 4 areas listed above are to be addressed in NGN Rel-2 scope -ATIS involvement in TISPAN_NGN Rel-1 work is welcome (incl. potential endorsements) -There is a need for discussions between ATIS & TISPAN bodies to put in place mechanisms and identify contacts

16. 1 April 2005Meeting on “NGN Framework” – SUMMARY -16 8. Future Working arrangements Existing contacts -TISPAN-ATIS liaison officers are Susan Sabatier (ETSI) and Tim Jeffries (ATIS) -Contacts to be put in place for each of the 4 areas of joint activities. They will be responsible for coordinating and tracking progress Working arrangements -To be arranged by Liaison officers Note – The 4 areas of Joint activities do not preclude others to occur (e.g. NGN-OSS, Protocol profiles and interoperability) Note – The exact arrangements will comply with the ETSI and ATIS cooperation agreements.