WCF Discovery with UDP
Inorder to call the WindowsCommunicationFoundation service, a port or pipe which assigned to the service must be available and the client must know the address endpoints before calling the services.
If the service could use any available address then client can discover that address at runtime. There is a industry standard-based solution which helps in discovering the service addresses.
Address Discovery
Discovery relies on the User Datagram Protocol(UDP). Client uses UDP to broadcast discovery requests for any end-point which supports the contract type. These requests are received by dedicated end-points. The end-points responds back to the client with service-address that support specified contract.
WCF offers a standard discovery endpoint with the type UdpDiscoveryEndpoint
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