BS EN ISP 10609-2:1993 信息技术 国际标准化轮廓TB、TC、TD和TE.连接方式网络服务上的连接方式传送服务.TC组用子网类型无关要求
Information technology - International standardized profiles TB, TC, TD and TE - Connection-mode transport service over connection-mode network service - Subnetwork-type independent requirements for group TC