WCF provides support to enable services to be discoverable at runtime in an interoperable way using the WS-Discovery protocol. WCF services can announce their availability to the network using a multicast message or to a discovery proxy server.
MSDN
WCF-Discovery的协议基础：WS-Discovery
服务如何能被”发现”
客户端如何能够“探测”到可用的服务？
实例演示：如何利用服务发现机制实现服务的“动态”调用?
