Status report on CJK NGN Working Group 29th March, 2005, Tokyo, Japan Yoichi MAEDA Chairman of CJK NGN Working Group

Key achievement of NGN-WG Agreement on the objectives of NGN-WG Agreement on the key tasks of NGN-WG Agreement on the organizational procedure of NGN-WG such as working method, rules for participants and contributions, guidelines of meeting host and publication. (Refer to ANNEX1) Agreement on setup of a new task group on NGN-testbed in NGN-WG (Refer to ANNEX2) CJK-NGN Ad-hoc meetings were held before the FG-NGN and SG13 meetings and contributed to the international standards activities.

Objectives and tasks of NGN-WG Cooperation among CJK to promote and reflect the studies on NGN requirements and solutions to the relevant International NGN standardization activities. Tasks Collect and exchange industry/standard information on NGN-related activities of each country, Identify key standard areas to provide end-to-end multimedia services over future NGN, Pursue maximum commonality of NGN-related standards, Confirm interconnectivity and interoperability of NGN through interoperability tests among interested parties. Phased approach will be taken from the top to the bottom of above items.

Working method; Two level meetings Working group meeting High level standard direction and selected major technical issues are discussed to promote the CJK collaboration. The meeting is expected to be held as much as possible in conjunction with the CJK meeting. Additional WG meetings can be held with permission by the CJK plenary. The progress report will be made at the CJK plenary. Ad hoc meeting by technical experts Key specific technical issues are discussed among technical experts who participate in the relevant ITU-T meeting. The meeting is held in the previous day of each NGN-related ITU-T meeting to share the standards views among the CJK members to lead the discussion.

NGN-WG Management structure Chairman: Mr. Yoichi MAEDA (TTC, Japan) Vice Chairman: Ms. Duo LIU (CCSA, China) Vice Chairman on Global Coordination : Mr. Chae-sub LEE (TTA, Korea) Duration; One-year term (July 2004 – June 2005) Chairman Vice-Chairmen NGN-WG meeting Ad hoc meeting Task group Task group

Meeting history WG meetings Ad hoc meetings 1st CJK NGN WG Meeting (6 July 2004, Seoul, Korea) hosted by TTA 2nd CJK NGN WG Meeting (11-12 November 2004, Tokyo, Japan) hosted by ARIB/TTC 3rd CJK NGN WG Meeting (28-29 March 2005, Tokyo, Japan) hosted by ARIB/TTC Ad hoc meetings 29 November 2004 at Geneva for 4th FGNGN. 13 March 2005 at Jeju Island for 5th FGNGN.

Major topics 1st WG meeting Assignment of chair and vice chair, introduction of standard activities in each country, key issues on NGN and QoS studies, requirements for interworking 2nd WG meeting Review of work procedure, review of FGNGN activities, study on IMS, core network QoS, inter-country QoS, initiation of release 2, Ad hoc meeting at 4th FGNGN Introduction of key contributions toward 4th FGNGN Ad hoc meeting at 5th FGNGN Introduction of key contributions toward 5th FGNGN 3rd WG meeting Agreement of WG’s work procedure, identification of task on the testbed

Contribution Status from CJK Analysis of Participants on FGNGN CJK Others Total 1st 33 75 108 2nd 19 47 66 3rd 54 67 121 4th 60 63 123 5th 117 62 199 283 334 617

Contribution Status from CJK Analysis of Input Documents CJK North America Europe Others 1st 2 12 23 2nd 8 22 3 33 3rd 60 48 11 4th 46 47 21 5th 73 29 24 Total 289 162 56 113

CJK contribution to NGN Global Standards NGN standard activities were initiated by Europeans But it was not enough to make global notification CJK involved in this area since the 1st JRG-NGN meeting at Munich, October 2003 After joining CJK in ITU-T based activity including various Workshops, NGN standards became global issue Especially FG NGN group was launched at June 2004 based on the agreements which made at Beijing April 2004 among ITU-T Europe, North America and Asian Key members After the launching of FG NGN, CJK members become most important members with enormous contributions CJK is now has a key leading role for the global NGN standards

NGN-testbed task group in NGN-WG Key objectives of NGN-testbed (Refer to ANNEX 2) - Building a common NGN technology testing infrastructure - Feasibility testing prior to NGN commercial deployment - Interoperability testing for NGN components - Providing NGN service development platform for inter- country issues - Cooperation with other international NGN related testbeds NGN-WG requests the CJK meeting to give an endorsement on the launch of the NGN-testbed task group and to provide high-level support for the testbed project. Dr. Taesang Choi (TTA) was nominated to the NGN-testbed task leader.

Future meeting plan NGN-WG requests the CJK meeting to endorse the following meetings as the NGN-WG activities. Ad hoc meeting at 6th FGNGN on Sunday, April 24 in Geneva 4th NGN-WG meeting on Friday, June 24 in Kunming, China Ad hoc meeting at 7th FGNGN on Sunday, June 26 in Kunming, China Ad hoc meeting at 8th FGNGN on Sunday, August 28 in Geneva, Switzerland Ad hoc meeting at 9th FGNGN on Tuesday, November 29 in Geneva, Switzerland 5th NGN-WG meeting on December 15-16 in Seoul, Korea 6th NGN-WG meeting on April 10-11 in Beijing, China with the 6th CJK meeting

Conclusions NGN-WG agreed the objectives, the tasks and the organizational procedure of the WG. CJK-NGN members contribute to the NGN global standards activities in the FG-NGN and SG13 meetings and play a key role of the standards activities. NGN-WG agreed to setup a new task group on NGN-testbed in NGN-WG and request some support to the CJK members. NGN-WG proposed future Ad hoc meeting and NGN-WG meeting plans before the next CJK meeting in April, 2005.