行业标准：GY∕T 266-2012 NGB宽带接入系统 C-DOCSIS技术规范.pdf

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1、GY中华人民共和国广播电影电视行业标准GY/T266—2012NGB宽带接入系统C-DOCSIS技术规范NGBbroadbandaccesssystem—TechnicalspecificationofC-DOCSIS2012-08-17发布2012-08-17实施国家广播电影电视总局发布GY/T266—2012目次前言...............................................................................III1范围................................................

2、..............................12规范性引用文件....................................................................13术语和定义........................................................................24缩略语............................................................................45系统概述.....................

3、.....................................................66系统架构与功能模块................................................................66.1系统逻辑架构..................................................................66.2系统功能模块..................................................................76.3系统功能模块接口..

4、............................................................86.4典型系统实现..................................................................96.5CMC与CM之间的协议栈.........................................................117基本要求.........................................................................127.1

5、业务承载方式.................................................................127.2一般功能.....................................................................127.3带宽.........................................................................137.4其他..........................................................

6、...............138数据转发功能要求.................................................................138.1基本转发要求.................................................................138.2组播.........................................................................148.3DHCP中继功能支持................................

7、.............................149QoS要求..........................................................................159.1业务流分类...................................................................159.2业务流QoS.....................................