3.1.5.4 Updating Configuration Messages

The client MUST update its Passport Configuration Data with the name/value pairs from this message if it does not have a value stored for "ConfigVersion", or if the stored value is less than that of the version returned by the configuration server. The client MUST NOT update its Passport Configuration Data if its stored "ConfigVersion" value is equal to or greater than the "ConfigVersion" value returned by the configuration server.