Over the last several years, cloud computing has imposed as a major paradigm in software development by providing computer resources over the Internet. Among various cloud service models, Backend as a Service (BaaS) stands out as a model that targets the specific needs of web and mobile developers. By providing the backend for applications, it facilitates and expedites the software development process. In order to prevent major problems with the use of third-party BaaS providers, this paper advocates building your own BaaS platform, as well as several works ahead of it. However, the development of a BaaS platform carries various challenges regarding architecture and design. This paper strives to define the core service offerings of a BaaS platform and propose a method for providing an architectural design of a BaaS platform based on a microservice architecture. Microservice architecture is the preferred architectural style for cloud solutions since it promotes loose coupling, ease of scaling and integration with third-party services, which are fundamental stipulations of BaaS platforms. The methodology adopted in designing a microservice-based BaaS platform was formed in accordance with an Application Programming Interface (API)-first approach, which strives to design a suitable, representative API of the platform. To the best of authors’ knowledge, this paper proposes the lowest-level design of a BaaS platform so far, describing the entity relations, integration patterns, and communication styles. Ultimately, the proposed design was implemented and tested for its functional requirements. In that regard, specific test cases that mirror the actual workflow of the BaaS platform were constructed.

/pdf/an-api-first-methodology-for-designing-a-microservice-based-30o38goafq.pdf

An API-first methodology for designing a microservice-based Backend as a Service platform

In recent years, smart cities have become more commonplace, with technologies such as smart traffic control systems and outdoor sensors widely used in many places. However, there are numerous security issues that threaten the safety of such systems. It is important to analyze the security of such systems in order to make them robust and ensure the security of smart cities. Threat modeling is a process used to identify potential risks and vulnerabilities in a system. In this paper, we will develop a threat model and security analysis for a smart traffic control system. This analysis and the threat model will allow researchers and developers to identify security issues in smart city traffic control systems and develop effective mitigation strategies. 

Security Analysis of a Smart City Traffic Control System using a Threat Model-based Approach

In recent years, smart cities have become more commonplace, with technologies such as smart traffic control systems and outdoor sensors widely used in many places. However, there are numerous security issues that threaten the safety of such systems. It is important to analyze the security of such systems in order to make them robust and ensure the security of smart cities. Threat modeling is a process used to identify potential risks and vulnerabilities in a system. In this paper, we will develop a threat model and security analysis for a smart traffic control system. This analysis and the threat model will allow researchers and developers to identify security issues in smart city traffic control systems and develop effective mitigation strategies.

Under the impact of the innovating Information and Communication Technologies (ICT) in the smart city context and the needs of information sharing and digital services, a smart city system aims to improve the life quality of its citizens by offering a set of public services. The aim of this research work, is to propose a smart city approach that exploits These technologies in the delivery of public services to allow greater real-time interaction with citizens, this research contributes to the domain of smart city public services delivery by treating the scalability problem faced by these systems; we propose a service providing framework based on the backend as a service approach on cloud to improve the quality of the smart city digital services according to the citizen’s needs while enhancing the scalability of the system in large workloads. For illustrating the functioning of the approach we have used information about the city of Biskra administrative institutions as an application example of the system.

A Smart City System using Backend as a Service Approach: Biskra City Case Study

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A Smart City System using Backend as a Service Approach: Biskra City Case Study