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An e-commerce company is modernizing its application architecture. External web and mobile clients communicate using public RESTful HTTPS APIs with JSON payloads. However, the internal backend microservices have been developed using high-performance gRPC over HTTP/2. Additionally, heavy read traffic for product catalog data is placing unnecessary load on backend services and increasing response latency for end users.
You need to advise the development and operations teams on an API mediation and performance optimization strategy that decouples the clients from backend services, performs protocol translation, and minimizes backend load.
Which architectural solution should you recommend?
An API management mediation layer (such as Apigee) serves as an enterprise gateway and abstraction facade between external consumers and internal backend microservices. It intercepts incoming client requests, executes governance, routing, and message mediation policies, and translates communication protocols and data payloads between disparate architectures.
Placing an API management proxy at the edge of the microservices ecosystem achieves both architectural isolation and significant performance improvements. Backend engineering teams retain the freedom to optimize internal services with gRPC without forcing external clients to adopt gRPC tooling or manage protocol compatibility.
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