Ditto Protocol topic structure for connections

A valid topic consists of four elements, describing the connection affected by this message and the type of the message:

  1. _: empty field.
  2. connectionId: the ID of the connection.
  3. group: the group for addressing connections is connections.
  4. criterion: the type of protocol messages addressing connection announcements is announcements.
  5. subject: for announcements the subject contains the announcement name
Tags: protocol