const DEFAULT_SERVER_PORT = 2360;
const PORT_NOT_FOUND = -1;
deferred void
reportTo NameserverClient client
portOfService tom.String service_name
onHost tom.String hostname;
client the internet TCP port of the service named
service_name which is running on the host named hostname.
deferred void service tom.String service_name onHost tom.String hostname hasPort int port;
port in response to the reportTo portOfService
onHost request.