Theseproductsprovideapplicationprogrammingservicesthatenableapplicationprogramstocommunicatewitheachotherusingmessagequeues.Thisformofcommunicationisreferredtoascommercialmessaging.Theapplicationsinvolvedcanexistondifferentnodesonawidevarietyofmachineandoperatingsystemtypes.Theyuseacommonapplicationprogramminginterface,calledt