4.1.1 Opening a Cloud
The Resolver, not yet a member of the clouds first joins the cloud by performing the following steps:
The Resolver creates a new entry. It does this by selecting a port and a set of four IPv6 Addresses or as many as the local system has, not exceeding four, to use for DRT communication.
The Resolver begins listening for incoming UDP messages on the chosen port, looking for messages sent to the chosen IPv6 Addresses.