1. A method for Destination-Host defined overload scope, the method comprising: at an entity for processing Diameter signaling messages within a telecommunications network: identifying at least one Diameter session as a member of an overload group; specifying an alias for use to identify the entity for processing Diameter signaling messages as a destination of Diameter messages; associating the specified alias with the overload group; and including the specified alias in messages associated with members of the overload group.