For a banking chatbot application designed to serve 10 million users, the architecture must ensure scalability, reliability, and security. Here's a potential architecture: 1. Front-End Layer: - User Interface: Web and mobile applications (React.js for web, React Native for mobile) connected with CDN. - API Gateway: Manages all the API requests from the client-side. 2. Back-End Layer: - Chatbot Engine: - Natural Language Processing (NLP): Utilizes services like Google Dialogflow, Microsoft Bot Framework, or custom NLP models deployed on cloud platforms. - Chatbot Logic: Python/Node.js microservices to handle user queries, integrated with NLP. - Business Logic Layer: - Microservices Architecture: Separate microservices for different functionalities like user authentication, transaction processing, account management, etc. (Node.js/Spring Boot). - API Management: Tools like Kong or AWS API Gateway. 3. Database Layer: - User Data: Relation...
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