Gateway benifits-
provides connectivity that may otherwise be impossiblemay expand options for competitive biddingprovides a point of isolation between two largely independent systemspermits interconnection of legacy systems with newer productsGateway Limitations-
limited capacity and expandabilitylimited ability to translate dissimilar conceptsconfiguration and programming of devices through the gateway is generally not possiblefailure results in communication loss between all devices on opposite sides of the gatewaypossible time delay or the return of cached data that is oldmore difficult to troubleshoot problems