IPTV Interoperability Forum


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IPTV Interoperability Forum

  1. 1. IPTV Interoperability Forum November 2008 IPTV Defined IPTV is a collection of video and related services primarily delivered to consumers for entertainment purposes. These video services may include These services may include live broadcast video, content on demand and interactive TV (iTV) services. In contrast to video over the public Internet, with IPTV deployments network security and performance are closely managed to help ensure a superior entertainment experience resulting in a compelling business environment for content providers, advertisers and customers alike. These services are delivered across an access-agnostic, packet-switched network that employs the IP protocol to transport the audio and video signals. ATIS IIF: Building Standards for IPTV Perhaps the most critical step toward IPTV’s effective deployment is broad industry agreement on both the standards and the most appropriate technology path for these services. This area is the focus of the innovative work of the ATIS IPTV Interoperability Forum (IIF). The IIF defines industry requirements, the overall industry reference architecture and critical standards to support various aspects of IPTV delivery, including Digital Rights Management and Quality of Service. Recognized globally, the ATIS IIF is the leading developer of requirements standards and specifications for IPTV.
  2. 2. ATIS IIF: Framework for QoS Metrics and Remote Management of Devices in the Measurements Supporting IPTV Consumer Domain for IPTV Services Key Deliverables Services (ATIS-0800004) (ATIS-0800009) Serves as a basis for definitions of Addresses the remote management of Since its establishment in July 2005, the Quality of Service (QoS)/Quality of devices in the consumer domain, focusing ATIS IIF has produced a number of key Experience (QoE) related to different initially on the Delivery network Gateway requirements and framework documents segments of the network, different (DNG) and IPTV Terminal Function (ITF) to serve as the foundation for further service instances or invocations, devices and in relation to device authentica- development of IPTV specifications and network architectures/technologies tion. It also will address device attachment to standards. The following summarizes key utilized and modes of service. The the transport network; image download; activities and deliverables to date: document offers an overview and provisioning of parameters; status monitor- concepts related to the following: ing; remote diagnostics; fault recovery; and IPTV Architecture Requirements measurement model and measurement security management. (ATIS-0800002) points; quality layers, protocol stack In June 2006, the ATIS IIF delivered the view and use cases; types, characteris- Emergency Alert Service (EAS) Provisioning industry’s first set of IPTV architecture tics and definitions of metrics; a Specifications for IPTV (ATIS-0800010) requirements that define, in broad terms, QoS/QoE Model; measurement Supports the offering of an emergency Alert the scope of IPTV services and the high practices and methodologies; and time System (EAS) for IPTV. Broadens the delivery level requirements that will guide the and frequency synchronization require- of EAS messages from a few linear channels development of architecture specifications ments for ensuring QoS/QoE and to the complete IPTV experience. over time. This architecture document enabling metrics measurement. focuses on services that may comprise QoS Metrics and Measurements IPTV; the functions necessary for content IPTV Packet Loss Issue Report for Public Services for IPTV providers to deliver content to service (ATIS 0800005) (ATIS-0800011) providers; functions required by service Reviews many of the factors that may Provides deployable and immediately useful providers and network providers to offer cause packet loss in IPTV transmissions QoS metrics, measurement points IPTV; and the home networking functions and addresses solutions to mitigate applicable measurements and needed for the consumer to receive IPTV packet drop. measurement methodologies for services. emergency Information (e.g. EAS), IIF Default Scrambling Algorithm Closed Captioning, Content Advisories, IPTV DRM Interoperability Requirements (ATIS-0800006) and V-Chip Technology for IPTV. Additional (ATIS-0800001) Specifies a default metrics will be added to Defines the requirements for the interop- scrambling/descrambling algorithm for the document as more functional erability of systems and components in MPEG-2 Transport Stream and scram- components of the architecture are the IPTV DRM/security environment. bling algorithm signaling. Use of the defined. specification provides network opera- IPTV Architecture Roadmap tors with a maximum choice of IPTV IPTV Emergency Alert System Metadata (ATIS-0800003) Receiving Device platforms. Specification (ATIS-0800012) Defines the phases in which IPTV architec- Defines metadata elements for an EAS ture standards will be developed. The IPTV High Level Architecture (ATIS- announcement, interfaces across which document calls for the release of specifi- 0800007) metadata are exchanged, formats for cations in three phases. The first phase Provides a high-level architectural elements of metadata and protocols for includes specifications for network/service framework and the supporting metadata exchange. attachment; service discovery; basic network design for the implementation navigation through services; and regula- of end-to-end IPTV systems. Provides Secure Download Interoperability tory compliance, including emergency Alert the reference architecture for the IPTV Specification for IPTV (ATIS-0800014) Services (EAS), Closed Caption and Paren- functional specifications being defined Addresses the need for an tal Advisory. A second phase of specifica- in separate IIF documents now under interoperable Secure Download tions will address video-on-demand (VOD) development within the ATIS IIF. mechanism for the IPTV Receiving and pay-per¬-view (PPV) transaction- Device. based services. Phase three will address QoS Metrics for Linear Broadcast Interactive TV, multiplayer games, network IPTV (ATIS-0800008) PVR and in-home peer-to-peer interaction. Offers a consensus view of the mean- ings of QoS metrics for linear broad- cast IPTV, including video, audio and the synchronization between audio and video. Identifies measurement points, applicable measurements and measurement methodologies.
  3. 3. Key Deliverables contd. ATIS IIF Standards and Categorized Listing of Fault Codes for IPTV Specifications Presently Defines a standard set of fault codes Certificate Trust Management Hierarchy Under Development that cause the improper functioning of an IPTV service or component. The type Interoperability Specification (ATIS- 0800015) of fault is a vital input to service assur- IPTV Linear Broadcast Service ance, test, fault and performance Provides the basis of trust for PKI opera- Describes the service capabilities operations and systems. tions by creating a PKI hierarchy that associated with the delivery of the satisfies trust requirements of security Linear/Broadcast TV service to the Test Plan for Evaluation of Quality solutions, identifying trust relationships end-user. Models for IPTV Services affected by PKI hierarchies, and establish- ing requirements for the generation, Describes subjective and objective test IPTV Multicast Network Service plans appropriate for the formal evalua- distribution and revocation of IIF PKI Specification tion of objective video quality prediction certificates. Describes a simple IP multicast service algorithms. that the network provider can offer for Standard PKI Certificate Format Interop- use as a basis for a linear/broadcast TV Application Level Interfaces (API) erability Specification (ATIS-0800016) service. The specification will focus on Interoperability Specification for IPTV Standardizes the delivery, distribution and the service requirements from the Addresses the need for interoperable validation of encrypted keys in a trusted perspective of the IPTV service provider DRM Application Programming Interfaces. certificate format. The encrypted keys rather than detail specific implementa- within a key certificate are a security tion mechanisms within the network Security Robustness Rules component consisting of digital signatures operator domain. Facilitates interoperability and encour- used to authenticate data sources and content. ages product innovation while maintain- Media Protocols Specification ing standardized procedures, interfaces for IPTV and platforms with respect to secure Network Attachment and Initialization of Defines the media protocols for IPTV transmission and storage of materials. Devices and Client Discovery of IPTV service, including the protocols used Services (ATIS-0800017) for actual audio and video media Distribution of IPTV Content in the Specifies the initial set of activities that delivery over IP. Reliability techniques Subscriber’s Authorized Service prepare devices in the consumer domain to applied at the IP layer and above will Domain receive and consume IPTV services. Compre- also be considered, including Quality of Identifies requirements for interoperabil- hensively, it covers network attachment, Service marking, Forward Error Correc- ity of the system and components service provider discovery, service provider tion at the application or transport necessary to share protected content in attachment and services discovery proce- layer and retransmission. the IPTV/DRM security environment. dures. Managing the Trust Hierarchy Content Acquisition Latency Standardizes the management mecha- IPTV Electronic Program Guide Metadata Examines the question of the latency nisms that establish trust within a Trust Specification (ATIS-0800020) of acquiring a content stream and the Hierarchy including, for example, revoca- Establishes basic metadata requirements methods of reducing said latency. tion of certificates, additions of new for an IPTV EPG. Standardization of a rich Technical Report on IPTV Advertising Certificate Authorities, and specifications set of EPG-related metadata for an IPTV Explores the range of IPTV advertising of rules for handling various aspects of environment is needed in order to support services and lists high-level require- the operation of the Trust Hierarchy. a unified EPG functionality that meets the ments for IPTV-related advertising. service selection and acquisition needs of consumers while minimizing the level of Consumer Domain Configuration IPTV QoE Model Requirements and Metadata Requirements Specification effort required on the part of content Model Definition for IPTV providers, service providers, network Supports the estimation of end-to-end Establishes requirements for metadata providers and ITF providers. quality, incorporating all the factors associated with configuration of that would impact the user experience consumer domain devices—specifically Trial Use Standard for Estimated in real time. These would include media the Delivery network Gateway (DNG) and Peak Signal-to-Noise Ratio (EPSNR) transmission path quality metrics, the IPTV Terminal Function (ITF)—during (ATIS-0800021) video codec and loss concealment and network attachment, initialization, Delivers a trial-use standard that docu- factors that affect playback control. configuration and remote management. ments the EPSNR algorithm and a test plan that will be used to determine if the EPSNR algorithm is an accurate predictor of the IPTV Metadata Consumer Require- QoE based on QoS metrics/data. ments Specification Establishes basic consumer (subscriber and user) profile and preferences meta- data requirements for an IPTV Consumer Metadata Specification/Standard.
  4. 4. Advancing Initiatives for 2009 Advancing into 2009, the IIF will start on the next phase of its work to develop standards related to IPTV functions including: • Video on demand • Other content on demand • Pay-per-view • Advanced advertising • Parental control services • Notification services ATIS IIF Committees Architecture (ARCH) Committee The Architecture Committee develops IPTV architecture requirements, specifications, protocols and other docu- ments required to enable deployment of a standardized, interoperable, access-agnostic IPTV service. IPTV Security Solutions (ISS) Committee The IPTV Security Solutions Committee develops security standards with emphasis on a security requirements framework and an integrated toolkit of security functions that can be utilized for an interoperable solution for enabling IPTV services. Metadata and Transaction Delivery (MTD) Committee The Metadata and Transaction Delivery Committee develops standards that define metadata elements, the representa- tion of metadata elements and the content of application- level transactions where the MTD Committee is the primary developer of metadata standards in support of all ATIS IIF Committees. Quality of Service Metrics (QoSM) Committee The Quality of Service Metrics Committee develops stan- dards that define metrics, models and approaches for measurement and reporting of quality of service (QoS) and quality of experience (QoE) for IPTV services. Testing & Interoperability (T&I) Committee The Testing and Interoperability Committee develops the necessary test scripting and test planning for the interoper- ability of ATIS IIF standards and addresses IPTV interoper- ability issues, providing recommended courses of action for mitigation of the identified issues. 1200 G Street NW Suite 500 Washington, DC 20005 www.atis.org Standards that Drive the Business of Communications