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- A review of cloud computing and its opportunities in the development of information systems for SMEsPublication . Cunha, Carlos R.; Morais, Elisabete Paulo; Sousa, João Paulo; Gomes, João PedroThis paper reviews the main characteristics of cloud computing, where they are exposed their main components and ways of use. In addition to the technological review that is done, is also carried out a critical analysis of their potential and challenges in the context of SMEs. To understand how cloud computing can lead to a powerful ally of SMEs in the context of organizational competitiveness in a world where the role of information systems for a long time proved decisive, it is a reflection that the SMEs, whose core business is not technology, need to carry out.
- The role of cloud computing in the development of information systems for SMEsPublication . Cunha, Carlos R.; Morais, Elisabete Paulo; Sousa, João Paulo; Gomes, João PedroThis paper presents a review of the main characteristics of cloud computing, where they are exposed, their main components and ways of use. In addition to the technological review that is done, is also carried out. To understand how cloud computing can lead to a powerful ally of SMEs in the context of organizational competitiveness in a world where the role of information systems for a long time proved decisive, it is a reflection that the SMEs, whose core business is not technology, need to be carried out.
- Orchestration of cloud-based services and infrastructure: an exploratory analysis of juju, kubernetes, and terraformPublication . Morais, Dilma; Sousa, João PauloWith the sudden development of cloud computing, different models have been adopted in the context of modern information technology infrastructures, e.g., Infrastructure as a Service (IaaS), Infrastructure as a Code (IaaC), Metal as a Service (MaaS). Notwithstanding, and despite all the advantages offered by this new technological environment, mostly characterized by a great heterogeneity of micro-services (i.e., smaller source code, more fragmented states), its orchestration becomes visibly in a more complex task for the system administrator. It requires coordination between a vast number of components and computational resources to meet the user's needs in real-time. Therefore, the present work offers an exploratory analysis of three existing solutions for the orchestration of cloud-based services and infrastructure, namely Juju, Kubernetes, and Terraform. Through a preliminary review of the recent scientific literature, the main characteristics, advantages and use cases of the three analyzed technologies are discussed. It is thus expected to better support the decision-making of the system administration professionals within this scope.