'Get some TLS configuration objects which will authenticate this node to
the control service node and the reverse.'

def get_tls_context(self):

    policy = ControlServicePolicy(ca_certificate=self.ca_certificate, client_credential=self.node_credential.credential)
    return _TLSContext(context_factory=policy.creatorForNetloc(self.control_service_host, self.control_service_port), node_credential=self.node_credential)
