基于 IPv4/IPv6 的多媒体分发业务 第 2 部分：互联网电视内容传输平及 终端技术要求 Multimedia delivery service via IPv4/IPv6 protocol—Part 2: Technical require﹘ ments on OTT TV content transmission platform and terminal devices  ICS  33.040.40 CCS  L 78   中华人民共和国国家标准 GB/T 44600.2—2024 2024-10-2 6发布 2025-02-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 引言   ·····································································································   Ⅳ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     缩略语   ································································································   2 5     通则   ··································································································   2 6     系统架构   ······························································································   2 7     互联网电视内容传输平台要求   ·······································································   3      7.1     通用要求   ·························································································   3      7.2     用户与计费管理   ·················································································   3      7.3     EPG管理   ························································································   3      7.4     内容分发网络（CDN）   ·········································································   4 8     终端要求   ······························································································   4      8.1     网络接入   ·························································································   4      8.2     协议支持   ·························································································   4      8.3     应用处理策略   ····················································································   4 9     基本业务流程   ·························································································   5 GB/T 44600.2—2024     Ⅰ 前　　言 本文件按照GB/T 1.1—2020《标准化工作导则　第1部分：标准化文件的结构和起草规则》的规 定起草。 本文件是GB/T 44600《基于IPv4/IPv6的多媒体分发业务》的第2部分。GB/T 44600已经发布了 以下部分： 第1部分：IPTV内容传输平台及终端技术要求； — 第2部分：互联网电视内容传输平台及终端技术要求。 — 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由中华人民共和国工业和信息化部提出。 本文件由全国通信标准化技术委员会（SAC/TC 485）归口。 本文件起草单位：中国电信集团有限公司、中国信息通信科技集团有限公司、中国信息通信研究 院、中兴通讯股份有限公司、中国联合网络通信集团有限公司、中国移动通信集团有限公司、中国通信 标准化协会。 本文件主要起草人：祝谷乔、姜超、郭宁、韩建亭、熊伟成、王超、李明、杨崑、苏畅、陈红良、 魏峥。   GB/T 44600.2—2024     Ⅲ 引　　言 根据《关于加快推进互联网协议第六版 （IPv6）规模部署和应用工作的通知》，为加快政务应用改 造，拓展行业融合应用，推动IPv6规模部署和应用创新成果标准化，我国制定了一系列IPv6应用标 准。其中，GB/T 44600《基于IPv4/IPv6的多媒体分发业务》是为规范多媒体分发业务的IPv6部署而 制定的标准，拟由两个部分构成。 第1部分：IPTV内容传输平台及终端技术要求。目的在于为IPTV业务支持IPv4/IPv6双栈技 术，推动IPv6应用水平提升。— 第2部分：互联网电视内容传输平台及终端技术要求。目的在于为互联网电视业务支持 IPv4/IPv6双栈技术，推动IPv6应用水平提升。—   GB/T 44600.2—2024     Ⅳ 基于 IPv4/IPv6 的多媒体分发业务 第 2 部分：互联网电视内容传输平及 终端技术要求 1　范围   本文件规定了互联网电视的多媒体分发业务支持IPv4/IPv6双栈的技术要求，包括互联网电视内容 传输平台、终端及基本业务流程等方面的功能要求。 本文件适用于互联网电视内容传输平台和互联网电视终端进行IPv6演进的升级改造、部署、运行和 维护管理。 2　规范性引用文件   下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文 件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用 于本文件。 GY/T 342—2021　互联网电视总体技术要求 YD/T 2834—2015　支持IPv6的域名系统（DNS）安全技术要求 IETF RFC 2463　支持第6版互联网协议（IPv6）的互联网控制报文协议（ICMPv6）[Internet Control Message Protocol （ICMPv6） for the Internet Protocol Version 6 （IPv6）] IETF RFC 2874　支持IPv6地址聚合和重编码的DNS扩展（DNS Extensions to Support IPv6 Ad﹘ dress Aggregation and Renumbering） IETF RFC 3315　支持IPv6的动态主机配置协议（Dynamic Host Configuration Protocol for IPv6） IETF RFC 4862　IPv6无状态地址自动配置（IPv6 Stateless Address Autoconfiguration） IETF RFC 5072　PPP链路上的IPv6（IP Version 6 over PPP） 3　术语和定义   下列术语和定义适用于本文件。 3.1　 互联网电视　over the top television；OTT TV 基于公共互联网传送视频、音频、图形、文字和数据等，通过电视机、机顶盒等终端接收