CacheConfiguration caches configuration settings so that reading the yaml file can be avoided on future requests.

GetLocalIP returns the non loopback local IP of the host TODO: this should be a singleton service (the result can be reused) and should use more way to obtain the real "external" IP for server.

Init initializes the crypto layer.

SecurityEnabled returns true if security is enabled.

SetupTestConfig setup the config during test execution.

an impl which create util for tls's crypto elements.

a server's specification: including the listen address,declaimed address (which a external accessor should use),TLS scheme etc...