https://learn.microsoft.com/zh-tw/dotnet/api/system.servicemodel.discovery.udpannouncementendpoint?view=netframework-4.8.1
UdpAnnouncementEndpoint Class (System.ServiceModel.Discovery) | Microsoft Learn
A standard endpoint that is used by services to send announcement messages over a UDP binding. This endpoint inherits from AnnouncementEndpoint and similarly...
class systemdiscoverymicrosoftlearn