T05-FG.IPTV-IL-0036!!MSW-E.doc

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T05-FG.IPTV-IL-0036!!MSW-E.doc

  1. 1. INTERNATIONAL TELECOMMUNICATION UNION FOCUS GROUP ON IPTV TELECOMMUNICATION FG IPTV-IL-0036 STANDARDIZATION SECTOR STUDY PERIOD 2005-2008 English only WG(s): 2, 4 3rd FG IPTV meeting: Mountain View, USA, 22-26 January 2007 INCOMING LIAISON STATEMENT (Ref.: COM 17 – LS 129) Source: ITU-T SG 17 (Geneva, 6-15 December 2006) Title: Response to FG IPTV on multicast related works for IPTV Attention: This is a document submitted to the work of ITU-T and is intended for use by the participants to the activities of ITU-T's Focus Group on IPTV, and their respective staff and collaborators in their ITU-related work. It is made publicly available for information purposes but shall not be redistributed without the prior written consent of ITU. Copyright on this document is owned by the author, unless otherwise mentioned. This document is not an ITU-T Recommendation, an ITU publication, or part thereof.
  2. 2. -2- FG IPTV-IL-0036 INTERNATIONAL TELECOMMUNICATION UNION COM 17 – LS 129 – E TELECOMMUNICATION STANDARDIZATION SECTOR English only STUDY PERIOD 2005-2008 Original: English Question(s): 1/17 Geneva, 6-15 December 2006 LIAISON STATEMENT Ref. : TD 1260 Rev.1 Source: ITU-T SG 17 (Geneva, 6-15 December 2006) Title: Response to FG IPTV on multicast related works for IPTV LIAISON STATEMENT To: ITU-T FG IPTV Approval: Agreed to at SG 17 meeting For: Information/Comment Deadline: September 2007 Shin-Gak Kang Tel: +82-42-860-6117 Contact: Rapporteur Q.1/17 Fax: +82-42-861-5404 Email: sgkang@etri.re.kr SG 17 would like first to express thanks for your liaison statement on QoS and Performance work for IPTV and is pleased to inform you that SG 17 has been extensively working, for several years, on developing end-to-end multicast communications protocols with QoS managing facilities. Q.1/17 has developed several Recommendations on end-to-end multicast communications. And we have several on-going multicast–relating projects for supporting emerging application’s requirements. Therefore we believe that our projects will be of particular interest to the FG IPTV. Q.1/17 wishes to continue collaboration with FG IPTV on multicast related issues. Please refer to our deliverables and recent achievements that may be of interest to FG IPTV. 1) ITU-T Rec. X.603.1 | ISO/IEC 16512-2  Title: Relayed multicast protocol: Specification for simplex group applications  Status: Consent achieved at SG 17 meeting in December 2006  This Recommendation describes an application-layer protocol which constructs multicast tree for data delivery from a sender to multiple receivers over Internet where IP multicast is not fully deployed. The specified relayed multicast protocol consists of multicast agent and session manager. The functions and procedures for multicast agent to relay simplex data are specified. Operations of session manager are specified to manage multicast sessions. This protocol can be used for applications that require one-to-many data delivery service, such as multimedia streaming, file dissemination, etc.
  3. 3. -3- FG IPTV-IL-0036 2) Draft Amendment 1 to ITU-T Rec. X.603.1 | ISO/IEC 16512-2  Title: Relayed multicast protocol: Specification for simplex group applications – Security extensions  Status : Planned for consent at SG 17 meeting in September 2007  This Amendment describes the security functionalities for an application-level relayed multicast protocol for one-to-many group applications. This protocol provides various security facilities to fulfill general security requirements as well as specific security requirements. This protocol also provides some detailed functions which can operate with a variety of standardized security mechanisms. This Amendment is expected to enforce existing secured RMCP protocol. 3) ITU-T Rec. X.603.2 | ISO/IEC 16512-3  Title: Relayed multicast protocol: Specification for N-plex group applications  Status: Planned for consent at SG 17 meeting in September 2007  This Recommendation describes an application-layer protocol which constructs multicast tree for data delivery from multiple senders to multiple receivers over Internet where IP multicast is not fully deployed. The specified relay multicast protocol consists of multicast agent and session manager. The functions and procedures for multicast agent to relay N- plex data are specified. Operations of session manager are specified to manage multicast sessions. This protocol can be used for applications that require many-to-many data delivery service, such as multimedia conference, network game, etc. 4) ITU-T Rec. X.606 | ISO/IEC 14476-1  Title: Enhanced communications transport protocol: Specification of simplex multicast transport  Status: Published  This Recommendation describes a protocol for simplex (one-to-many) multicast transport over Internet where IP multicast is supported. Control tree mechanism for scalability and error control mechanism for reliable multicast data delivery are specified. Protocol details such as packet format, parameter values and procedures are described. This protocol can be used for applications that require one-to-many data delivery service. Examples of application services which can be supported by the protocol are a file dissemination service, stock ticker service, etc. 5) ITU-T Rec. X.606.1 | ISO/IEC 14476-2  Title: Enhanced communications transport protocol: Specification of QoS management for simplex multicast transport  Status: Published  This Recommendation describes QoS management functions for the simplex multicast transport over Internet where IP multicast is supported. QoS management functions such as QoS negotiation, monitoring, and maintenance features are specified. Protocol details such as packet format, parameter values and procedures are described. This protocol can be used for applications that require one-to-many as well as many-to-one data delivery service with QoS managing facility. Examples of application services which can be supported by the protocol are multimedia streaming service, IPTV and so on.
  4. 4. -4- FG IPTV-IL-0036 6) ITU-T Rec. X.607 | ISO/IEC 14476-3  Title: Enhanced communications transport protocol: Specification of duplex multicast transport  Status: Consent achieved at SG 17 meeting in December 2006  This Recommendation describes a protocol for duplex (both one-to-many & many-to-one) multicast transport over Internet where IP multicast is supported. Control tree mechanism for scalability and error control mechanism for reliable multicast data delivery are specified. Protocol details such as packet format, parameter values and procedures are described. This protocol can be used for applications that require one-to-many as well as many-to-one data delivery service. Example of services supported by the protocol can be e-learning service, etc. 7) ITU-T Rec. X.607.1 | ISO/IEC 14476-4  Title: Enhanced communications transport protocol: Specification of QoS management for duplex multicast transport  Status: Planned for Consent at SG 17 meeting in September 2007  This Recommendation describes QoS management functions for the duplex multicast transport over Internet where IP multicast is supported. QoS management functions such as QoS negotiation, monitoring, and maintenance features are specified. Protocol details such as packet format, parameter values and procedures are described. This protocol can be used for applications that require one-to-many as well as many-to-one data delivery service with QoS managing facility. Example of services supported by the protocol can be e-learning service, IPTV home-shopping service, etc. 8) ITU-T Rec. X.608 | ISO/IEC 14476-5  Title: Enhanced communications transport protocol: Specification of N-plex multicast transport  Status: Consent achieved at SG 17 meeting in December 2006  This Recommendation describes a protocol for N-plex (many-to-many) multicast transport over Internet where IP multicast is supported. Control tree mechanism for scalability and error control mechanism for reliable multicast data delivery are specified. Protocol details such as packet format, parameter values and procedures are described. This protocol can be used for applications that require many-to-many data delivery service. Examples of services supported by the protocol can be file-sharing service, whiteboard service, etc. 9) ITU-T Rec. X.608.1 | ISO/IEC 14476-6  Title: Enhanced communications transport protocol: Specification of QoS management for N-plex multicast transport  Status: Planned for Consent at SG 17 meeting in September 2007  This Recommendation describes QoS management functions for the N-plex multicast transport over Internet where IP multicast is supported. QoS management functions such as QoS negotiation, monitoring, and maintenance features are specified. Protocol details such as packet format, parameter values and procedures are described. This protocol can be used for applications that require many-to-many data delivery service with QoS managing facility; the protocol is expected to provide transport service to multimedia conference service over IP multicast, etc.
  5. 5. -5- FG IPTV-IL-0036 10) ITU-T Recommendation X.mrmcp-1  Title: Mobile relayed multicast protocol: Framework  Status: Planned for Consent at SG 17 meeting in September 2007  This Recommendation describes a framework for mobile relayed multicast protocol; wherein basic concepts and architecture for applying relayed multicast protocol to fixed and mobile convergence network environments are defined. The requirement for specifying detail protocol functions and procedures are described. This framework is expected to be used as a guideline to define mobile relayed multicast protocol. 11) ITU-T Recommendation X.mrmcp-2  Title: Mobile relayed multicast protocol: Specification for simplex group applications  Status: Planned for Consent at SG 17 meeting in 2008  This Recommendation describes an application-layer protocol which constructs multicast tree for data delivery from a sender to multiple receivers over fixed and mobile converged network environment. Detailed functions and procedures are specified. This protocol can be used for applications that require one-to-many data delivery service over fixed and mobile converged network environment. This protocol is expected to be used as delivery service for applications that require one-to-many data delivery service over fixed and mobile converged network environment, such as mobile IPTV service, mobile NEWS ticker service and so on. _________________

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