pool::MicroSessionManager Node1 pool::MicroSessionManager - m_registry - m_storageSvc - m_inSession - m_technology - m_databaseHandlers + MicroSessionManager() + ~MicroSessionManager() + connect() + connect() + disconnect() + disconnectAll() + technology() + fidForPfn() # attributeOfType() # setAttributeOfType() Node2 pool::ITechnologySpecific Attributes   + attribute() + setAttribute() # ~ITechnologySpecificAttributes() # attributeOfType() # setAttributeOfType() Node2->Node1