Wednesday, October 16, 2024

API Gateway Essentials

 


API Gateway Essentials: An API Gateway is a server that acts as an entry point for clients, managing requests by routing them to the appropriate backend services. It adds several benefits to your system architecture, like: 𝟭. 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: An API gateway can handle authentication and authorization for all the microservices, so you don’t have to set up those in each one. 𝟮. 𝗧𝗟𝗦 𝗧𝗲𝗿𝗺𝗶𝗻𝗮𝘁𝗶𝗼𝗻: The API gateway can transform HTTPS into HTTP traffic, which offloads the encrypting and decrypting work from your microservices. 𝟯. 𝗥𝗮𝘁𝗲 𝗟𝗶𝗺𝗶𝘁𝗶𝗻𝗴: An API Gateway can enforce rate limits on incoming requests, preventing clients from overwhelming your microservices. 𝟰. 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 𝗮𝗻𝗱 𝗟𝗼𝗴𝗴𝗶𝗻𝗴 An API Gateway can provide monitoring and logging for all the requests that pass through it, which simplifies troubleshooting. 𝟱. 𝗥𝗼𝘂𝘁𝗶𝗻𝗴 It intelligently routes client requests to the correct microservice, ensuring efficient traffic flow and optimal backend utilization. 𝟲. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗗𝗶𝘀𝗰𝗼𝘃𝗲𝗿𝘆 It dynamically locates active service instances, maintaining communication without hardcoding service addresses. The good thing is that you don't have to implement one yourself since there are dozens of implementations available.

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