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API-gateways

API gateways are systems that manage and direct API traffic between clients and servers. They handle tasks such as routing requests, enforcing security policies, and monitoring API usage.

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What is the role of API gateways in managing backend APIs?

API gateways play a crucial role in managing backend APIs by acting as an intermediary between clients and multiple backend services. They serve as a single entry point for all API requests and provide several important functions such as request routing, load balancing, authentication, and caching. Through API gateways, developers can enforce security measures, implement rate limiting, and handle cross-cutting concerns like request/response transformation. They also enable microservices architecture by aggregating data from multiple services into a unified API response. Overall, API gateways simplify backend API management, enhance scalability, and improve performance for client applications.

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July 27, 2023

How do you handle communication between different microservices in a backend system?

Communication between different microservices in a backend system can be handled through various methods. One common approach is to use a messaging system, such as RabbitMQ or Apache Kafka, to enable asynchronous communication. This allows microservices to send messages to each other without the need for direct communication. Another method is to use API gateways, which act as a central point for communication and handle routing requests between microservices. Additionally, RESTful APIs can be used to communicate between microservices by making HTTP requests. Ultimately, the choice of communication method depends on the specific needs and requirements of the backend system.

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July 27, 2023