A continuous technological innovation in software has brought development in integration technologies that promise the real time enterprise-wide systems integration. Healthcare organisations continue to struggle with integration challenges. However, much confusion regarding the adoption of integration technologies still remains. To provide a clear perspective about integration technologies, a discussion is presented on these technologies such as Electronic Data Interchange (EDI), Enterprise Application Integration (EAI) and Web Services. EAI has emerged to provide significant benefits to organisations. From a technical perspective, EAI addresses integration problems at all integration levels (e.g. data level and process level) by providing a flexible and manageable IT infrastructure. From a business perspective EAI reduces the overall integration cost due to the reduction in integration time and maintenance cost. This paper attempts to present the advantages and disadvantages of these...