Скачать презентацию Media Com 2004 An ITU-T Study Group 16 Скачать презентацию Media Com 2004 An ITU-T Study Group 16

d62d7e957ab28b9f054237b85042e727.ppt

  • Количество слайдов: 29

Media. Com 2004 An ITU-T Study Group 16 Project P. A. Probst, Swisscom SA Media. Com 2004 An ITU-T Study Group 16 Project P. A. Probst, Swisscom SA Chairman SG 16/ITU-T Multimedia Services, Systems and Terminals ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Created in recognition of z the rapid growth in digital, wireless, Media. Com 2004 Created in recognition of z the rapid growth in digital, wireless, and IP networks; z the convergence of technologies e. g. broadcasting, communications, information technology, etc. ; z that multimedia topics are addressed in many SDOs; z the growth in multimedia services and applications; z the need to study performance, interworking, inferfaces etc. for user satisfaction. ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Objective: to create a framework for the harmonized and coordinated development Media. Com 2004 Objective: to create a framework for the harmonized and coordinated development of multimedia communication standardization for use across all ITU-T and ITU-R Study Groups, and in close cooperation with other regional and international SDOs and industry forums. ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Goal: to reduce need for higher layer Gateway functionality Telephony, FAX, Media. Com 2004 Goal: to reduce need for higher layer Gateway functionality Telephony, FAX, VPS/VCS, Webcasting, Multimedia CS Network Mobile Network IP Network Gateway ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

ITU-R Study Group 6 DIAGRAM OF INTERACTIVITY IN ERA OF CONVERGENCE PRODUCTION - TELEPHONE ITU-R Study Group 6 DIAGRAM OF INTERACTIVITY IN ERA OF CONVERGENCE PRODUCTION - TELEPHONE - PC - BROADCASTING DATA BASE - FILMS - BANK - …… SERVER 1 I N T E R A C T I V E SERVER 2 I N T E N R O A N C T I V E USERS NETWORKS RX TX I N T E R F A C E - FIBRE - CABLE - TERRESTRIAL N. I N T E R F A C E RX TX . . . RX P - SATELLITE N. U ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002 TX

Media. Com 2004 Project Status: z Scope and plan drafted 1999/2000 z Approved by Media. Com 2004 Project Status: z Scope and plan drafted 1999/2000 z Approved by ITU-T WTSA Oct. 2000 z Workshops - IP Networking/Mediacom 2004 (Geneva, April 2001) - MM in the 21 st Century (Brazil, June 2001) - MM Convergence (Geneva, March 2002) - Security (Seoul/Korea, May 2002) z Steering Committee meetings: - 23 April 2001 - 14 March 2002 z Project updating: - SG 16 meeting, Brazil, May 2001 - SG 16 meeting, Geneva, February 2002 z Next review: - Other ITU-T Workshops (Optical, Sat. , . . ) - next SG 16 meetings ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Seeking to work with: z Other ITU-T Study Groups z ITU-R Media. Com 2004 Seeking to work with: z Other ITU-T Study Groups z ITU-R Study Groups z IETF z ISO/IEC z Regional bodies, e. g. ETSI z Industry & other bodies as required ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Progress SG 16 work via z Seven Framework Study Areas z Media. Com 2004 Progress SG 16 work via z Seven Framework Study Areas z Aligned ‘Questions’ in Study Group 16 z Database of multimedia related standards z Mediacom 2004 Steering Committee ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 MEDIACOM 2004 Framework in SG 16 MEDIACOM 2004 (Q A/16) Generic Media. Com 2004 MEDIACOM 2004 Framework in SG 16 MEDIACOM 2004 (Q A/16) Generic Questions B/16 to H/16 Framework Standardisation Areas (FSA) Equipment and system questions 1/16 to 15/16 ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Framework Study Areas (FSA): z Project Media. Com 2004 z z Media. Com 2004 Framework Study Areas (FSA): z Project Media. Com 2004 z z z z MM Architecture MM Applications and Services Interoperability of MM Systems and Services Media Coding Qo. S & E-to-E performance in MM Systems Security of MM Systems and Services Accessibility (total comm. concept) Emergency Telecommunications Service (draft new question!) (A/16) (B/16) (C/16) (D/16) (E/16) (F/16) (G/16) (H/16) (ETS/16) ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 - Steering Committee z High level committee z A tool to Media. Com 2004 - Steering Committee z High level committee z A tool to help coordination across all SDOs working on multimedia communication standards z Address multilateral issues z Co-operation through discussion to provide customer oriented solution z Members: SGs ITU-T, SGs ITU-R, IETF, MPEG, ETSI, W 3 C, …. ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 - Project results (1) z Permanent review of the project is Media. Com 2004 - Project results (1) z Permanent review of the project is performed (see SG 16 website) z The Workshops represent an excellent opportunity to improve the communications among the different entities involved in the development of MM standards z The coordination is in general performed at working levels z Role of the SC is to address coordination issues at high level ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 - Project results (2) Highlights from the first workshop: z z Media. Com 2004 - Project results (2) Highlights from the first workshop: z z z z (IP-Networking and Media. Com 2004) Transition towards NGN E-Commerce/E-business MM service evolution Convergence/Interactive broadcast Service billing/accounting IP VPN MM mobility MM access platform --> for more details, please consult the final report of the WS (SG 16 ITU-T website). ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 - Project results (3) Highlights from the second workshop: z z Media. Com 2004 - Project results (3) Highlights from the second workshop: z z z (MM Convergence) Service and network architecture Security and privacy MM quality of service Broadband delivery and in-home distribution Interactivity in Broadcasting Voice/video coding and signal processing --> for more details, please consult the final report of the WS (SG 16 ITU-T website). ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (1): Modems and Facsimile Terminals Media. Com 2004 Status report of SG 16 activities (1): Modems and Facsimile Terminals z Accessibility (Q H/16): - Text telephony (Rec V. 18): extension to include text telephony for mobile users - Text telephony over IP z PCM Modems (Q 11/16): - New Rec V. moip: procedures for the end-toend connection of V-series DCEs over IPnetworks ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 z New Rec V. moip: procedures for the end-to- end connection Media. Com 2004 z New Rec V. moip: procedures for the end-to- end connection of V-series DCEs over IP-networks ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (2): Modems and Facsimile Terminals Media. Com 2004 Status report of SG 16 activities (2): Modems and Facsimile Terminals z DCE-DCE protocols for PSTN and ISDN (Q 12/16): - Amendments to Rec V. 42 (possible consequences of V. moip) z DTE-DCE interface protocols (Q 13/16): - Revision of Rec V. 250 (possible consequences of V. moip) z Facsimile Terminals (G 3 and G 4) (Q 14/16): - Revisions to several Recs of the T-series ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (3): MM Platform and interworking Media. Com 2004 Status report of SG 16 activities (3): MM Platform and interworking z Interoperability of MM systems and services (Q D/16): - Roadmap for interoperability studies z Qo. S and E-to-E performance in MM-Systems (Q F/16): - Qo. S Architecture (H. qos. arch) - MM Qo. S service classification (H. mmclass) - Call processing performance in MM systems (H. mmcp) - Controlling service priority (H. priority) ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (4): MM Platform and interworking Media. Com 2004 Status report of SG 16 activities (4): MM Platform and interworking z Security of MM systems and services (Q G/16): - Hybrid security profile to Rec H. 235 on Security and Encryption - Mobile security (Rec H. 510) - Security for Emergency Telecommunications Service (ETS) z MM-Systems, terminals and data conferencing (Q 1/16): - Revision to Recs T. 120, H. 324 z MM over packet based networks (H. 323 systems) (Q 2/16): - further development of H. 323 (Qo. S, I-net protocols, modem relay) - further development to H. 460 (use of generic extensive framework) ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Multimedia Applications, User Interface AV Applications Audio Video G. 711 G. Media. Com 2004 Multimedia Applications, User Interface AV Applications Audio Video G. 711 G. 722 G. 723. 1 G. 729 Data Applications Terminal Control and Management H. 261 H. 263 H. 225. 0 Terminal to Gatekeeper Signaling Encryption RTP Authentication RTCP (RAS) H. 225. 0 Call Signaling (Q. 931) H. 245 System Control Security Capabilities TLS/SSL Unreliable Transport / UDP, IPX T. 124 T. 125 TLS/SSL Reliable Transport / TCP, SPX Network Layer / IPSec T. 123 Link Layer /. . . Physical Layer /. . . Scope of H. 323 Scope of H. 235 Scope of T. 120 ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (5): MM Platform and interworking Media. Com 2004 Status report of SG 16 activities (5): MM Platform and interworking z Infrastructure and interoperability for MM over packet based networks (Q 3/16): - Media gateway decomposition Rec. H. 248: rev. and new annexes to H. 248 z Video and data conf. using IP-supported services (Q 4/16): - integration of video and data, interoperability z Mobility (Q 5/16): - H. 5 xx series - Mobility protocols and procedures - Terminal mobility ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (6): Media coding z Media Media. Com 2004 Status report of SG 16 activities (6): Media coding z Media coding (Q E/16): - completion of JPEG T. 800, T. 801, T. 803, T. 804 - future work done in JPEG (ISO/IEC) z Advanced video coding (Q 6/16): - new generation of video coding standards for all applications (Joint Video Team SG 16/MPEG) z Wideband coding (Q 7/16): - wideband speech coding at around 16 kbit/s ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 JVT-Project (1) § New ITU-T Q. 6/SG 16 (VCEG - Video Media. Com 2004 JVT-Project (1) § New ITU-T Q. 6/SG 16 (VCEG - Video Coding Experts Group) standardization activity for video compression § August 1999: 1 st test model (TML-1) § December 2001: Formation of the Joint Video Team (JVT) between VCEG and MPEG to finalize H. 26 L as a joint project: JVT Coding (similar to MPEG-2/H. 262) § February 2002: WD-2 (11 § Schedule: th test model: TML-11) • February 2002: Last major feature adoptions • November 2002: Final approval ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 JVT-Project (2) § Simple syntax specification y. Targeting simple and clean Media. Com 2004 JVT-Project (2) § Simple syntax specification y. Targeting simple and clean solutions y. Avoiding any excessive quantity of optional features or profile configurations § Improved Coding Efficiency y. Average bit rate reduction of 50% given fixed fidelity compared to any other standard § Improved Network Friendliness y. Issues examined in H. 263 and MPEG-4 are further improved y. Major targets are mobile networks and Internet ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Foreman QCIF 10 Hz 39 38 37 36 35 Quality Y-PSNR Media. Com 2004 Foreman QCIF 10 Hz 39 38 37 36 35 Quality Y-PSNR [d. B] JVT/H. 26 L MPEG-4 MPEG-2 H. 263 34 33 32 31 30 29 28 27 0 50 100 150 Bit-rate [kbit/s] 200 ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002 250

Media. Com 2004 Status report of SG 16 activities (7): Media coding z 4 Media. Com 2004 Status report of SG 16 activities (7): Media coding z 4 kbit/s speech coding (Q 8/16): - two codecs evaluated - procedure to continue under discussion z Variable bitrate coding of speech signals (Q 9/16): - work plan under discussion - applications: 3 G, Vo. IP, PSTN, PCME, DCME, … z Software tools (Q 10/16): -maintenance and extension of the ITU-T SW tool library ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Media. Com 2004 Status report of SG 16 activities (8): z Emergency Telecommunication Service Media. Com 2004 Status report of SG 16 activities (8): z Emergency Telecommunication Service (Q ETS/16): - ETS supports emergency communications for disaster recovery operations - ETS trends: CS -> IP, Telephony -> MM, National -> global - Q ETS/16 endorsed by TSAG (SG 2/SG 16 responsibility? ) - Next steps: TSB Circular, approval by SG 16, workshop in 2003 z Focus Group on FS-VDSL: - transfer of Full Service VDSL Forum activities to a Focus Group of SG 16 in accordance with Rec A. 7 - adopt the FS-VDSL specifications - upgrading to ITU-T Recs foreseen in May 2003 ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002

Review May 2002 Organisation of FS-VDSL work CPE Specification System Architecture Specification Operator Requirements Review May 2002 Organisation of FS-VDSL work CPE Specification System Architecture Specification Operator Requirements OAM Specification December 2001 CPE Working Group Key: DRM Expert Group Architecture Expert Group Responsible for creating published document Advises working groups System Architecture Working Group ITU-T Workshop on Published documents Operator Group OAM Working Group VDSL Working Group Physical Layer Specification for Contributions IP/Optical, to VDSL Standards July Interoperable VDSL Chitose 9 -11 2002 Systems

Media. Com 2004 Conclusions: z Coordination and harmonisation in the development of standards for Media. Com 2004 Conclusions: z Coordination and harmonisation in the development of standards for convergence services IT/Telecommunications is under way z Urgent need to progress in the coordination and harmonisation in the development of standards for convergence services Broadcasting/IT/Telecommunications z MEDIACOM 2004 of SG 16 is the umbrella for this activity in the field of services and applications z The workshops represent an excellent opportunity to progress in the understanding of the work in this field and to coordinate the work of our respective entity with other SDOs and involved organisations. ITU-T Workshop on IP/Optical, Chitose 9 -11 July 2002