GY 中华人民共和国广播电视和网络视听行业标准 GY/T367—2023 IP交换矩阵技术要求和测量方法 TechnicalrequirementsandmeasurementmethodsofIPswitchers 2023-03-01发布 2023-03-01实施 国家广播电视总局发布GY/T367—2023 I目次 前言.................................................................................III 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................3 4缩略语..............................................................................4 5概述................................................................................5 6技术要求............................................................................5 6.1信号调度基本功能................................................................5 6.2工作模式........................................................................6 6.3业务报文类型....................................................................6 6.4组播路由方式....................................................................6 6.5单播路由方式....................................................................6 6.6信号格式........................................................................6 6.7IP信号的封装协议................................................................6 6.8输入输出接口指标................................................................7 6.9IP信号线速转发.................................................................10 6.10组播NAT功能（可选）..........................................................10 6.11信号监看功能..................................................................10 6.12时钟同步模块功能..............................................................10 6.13PTP报文容错功能（可选）.......................................................11 6.14PTP时钟同步倒换功能...........................................................11 6.15转发时延......................................................................11 6.16切换响应时延..................................................................11 6.17控制功能......................................................................11 6.18监测功能......................................................................12 6.19安全性........................................................................12 6.20可靠性........................................................................12 6.21互联互通......................................................................12 6.22多业务调度功能（可选）........................................................13 6.23对外接口（可选）..............................................................13 7测量方法...........................................................................16 7.1测量框图.......................................................................16 7.2信号调度基本功能...............................................................17 7.3工作模式.......................................................................17 7.4业务报文类型...................................................................17GY/T367—2023 II7.5组播路由方式...................................................................18 7.6单播路由方式...................................................................18 7.7信号格式.......................................................................18 7.8IP信号的封装协议...............................................................19 7.9输入输出接口指标...............................................................19 7.10IP信号线速转发................................................................23 7.11组播NAT功能..................................................................24 7.12信号监看功能..................................................................24 7.13时钟同步模块功能..............................................................24 7.14PTP报文容错功能...............................................................25 7.15PTP时钟同步倒换功能...........................................................25 7.16转发时延......................................................................25 7.17切换响应时延..................................................................26