The hospitals in Singapore aim to continue to provide responsive and more effective care delivery to its patients despite the Covid-19 pandemic. To do so, Singapore hospitals have leveraged heavily on telemedicine. A survey by the Singapore Eye Research Institute (Seri) during the circuit breaker last year, however, found that about 55 per cent of 520 people aged 60 and above were unlikely to use digital medical services (i.e., telemedicine) if the Covid-19 pandemic continues. 77 per cent of the respondents said they were uncomfortable with artificial intelligence (AI) interpreting their medical results. Telemedicine is not just limited to video consultations with doctors, phone calls, chatbots and AI. Physiotherapy, and even audiology services are being done over Zoom. Teleaudiology services, which include connecting to a patient via a video call, and connecting to the patient's hearing device so that the audiologist can adjust the patient's hearing aid remotely. However, patients aged 60 and above were seven times less likely to opt for teleaudiology sessions compared with younger patients. The most cited reasons include teleaudiology features being too complicated and the lack of technological skills. The hospital management plans to not only improve the design of its current digital medical service apps, but also to develop new ones. Digital platforms or digital medical apps can be designed (for example, ease of use, intuitive design, larger font size) with older patients in mind. The hospital management would like the latest technologies such as IOTs and AIs to be incorporated into its apps as far as possible. The hospital management prefers that the revised and new digital medical services apps be implemented and rolled out within 6 months. Given that the Covid-19 pandemic situation in S'pore has shown some improvement, the hospital management is willing to allow a delay of maximum 6 months. While a certain budget has been allocated to the project, the hospital management deemed that the digital medical services apps are crucial and will increase the budget if necessary. In addition, the hospital management requires an IT architecture that enables the digital medical services apps to bequickly implementedthrough reusing some of the components that are present in other apps. Given that the apps requirements are clear, the hospital management want the apps requirements to be abided and the milestones of the apps to be clearly specified. When certain milestones of the apps are completed, a signoff involving the users and managers of the IT team will occur. [The case study is adapted from a news article of Straits Times, dated 4 July 2021. Link to the article: https://www.straitstimes.com/singapore/health/seniors-less-receptive-to-telemedicine-anduncomfortable-with-ai-interpreting. Additional fictitious information has been added to the article.]

Questions Formulate the relationships among strategy, architecture and infrastructure, identify the type of common IT architecture (i.e., centralised, decentralised, service-oriented architecture or software-defined architecture) that the hospital management is interested. Justify your answer