ISO/TS 17429:2017规定了通用机制，使智能交通系统相关应用的站点之间能够交换信息。它符合ITS车站参考体系结构（ISO 21217），并定义了以下ITS车站设施层功能: -通信配置文件处理程序（CPH）； -内容订阅处理程序（CSH）； -设施服务处理人员（FSH）。 ITS-S应用程序流程（ITS-S-AP）使用这些功能与其他ITS-S应用程序流程通信并共享信息。这些功能描述了 -如何将分配给给定数据流的下层通信服务应用于通信协议栈（CPH，参见6）各层的服务数据单元。 2.3), -如何通过ITS-S应用程序流程发布和订阅数据字典中的内容（CSH，见6.2.5）， -应用程序过程数据单元（FSH，见6.2.4）可应用的ITS车站设施层和管理服务的知名度，使（ITS-S）应用程序不必自行实施这些服务， -如何使用ISO 24102？3中规定的服务访问点（SAP）原语， -ITS-S应用程序流程和ITS车站设施层（FA-SAP）之间交换信息的服务原语，以及 -使用ISO/TS 17423中定义的方法选择绩效水平（尽力而为或实际绩效）的一组沟通要求和目标（概要）- 信息交换的信心和安全性（认证、加密等），例如数据提供、事件通知、路边配置、地图更新。

ISO/TS 17429:2017 specifies generic mechanisms enabling the exchange of information between ITS stations for applications related to Intelligent Transport Systems. It complies with the ITS station reference architecture (ISO 21217) and defines the following ITS station facilities layer functionalities: - Communication Profile Handler (CPH); - Content Subscription Handler (CSH); - Facilities Services Handler (FSH). These functionalities are used by ITS-S application processes (ITS-S-AP) to communicate with other ITS-S application processes and share information. These functionalities describe - how lower-layer communication services assigned to a given data flow are applied to the service data units at the various layers in the communication protocol stack (CPH, see 6.2.3), - how content from data dictionaries can be published and subscribed to by ITS-S application processes (CSH, see 6.2.5), - how well-known ITS station facilities layer and management services can be applied to application process data units (FSH, see 6.2.4), relieving (ITS-S) application processes from having to implement these services on their own, - how service access points (SAP) primitives specified in ISO 24102？3 are used, - service primitives for the exchange of information between ITS-S application processes and the ITS station facilities layer (FA-SAP), and - a set of communication requirements and objectives (profiles) using the methods defined in ISO/TS 17423 to select the level of performance (best effort or real-time, etc.), confidence and security (authentication, encryption, etc.) for information exchange between ITS stations, such as data provision, event notification, roadside configuration, map update.