标准编号：ISO/IEC 29341-27-1:2017
中文名称：信息技术 UPnP设备架构 第27-1部分：友好的设备控制协议 友好信息更新服务
英文名称：Information technology — UPnP Device Architecture — Part 27-1: Friendly device control protocol — Friendly information update service
发布日期：2017-09
标准范围
This service definition is compliant with the UPnP Device Architecture version 1.0. It defines a service type referred to herein as FriendlyInfoUpdate service . It is scoped to the Device Description Document (DDD) and is a service allowing control points to create orderly updates to the and elements. Once a change has taken place the status of the DDD might not reflect that of the advertised description because the device can not leave the network during ongoing activities. Therefore a state variable is provided to indicate if the DDD contains non-advertised (pending) values. If for any reason the device goes off line, power cycles, or reboots it will most likely advertise its new DDD. If DeviceProtection UPnP DP is implemented on the device then it will support restricting control point actions to control points with specific Roles.
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