Protocol services provide transport level services, including authentication, document routing, and edge service functions for automated document interchange.
协议服务提供传输级服务，包括身份验证、文档路由和用于自动化文档互换的边缘服务功能。
2
In Electronic Data Interchange (EDI), for example, there is no real notion of a service interface, since EDI systems usually have a single global inbox and outbox for messages.
例如，在电子数据交换(Electronic Data Interchange, EDI)中，不存在真正的服务接口概念，因为EDI系统通常有一个单个的全球的消息收件箱和发件箱。
3
The service described above is available in the OrderManagement project that you imported with the project interchange file.