System Design · Middle · Question 67 of 75

A page needs data from 6 microservices. What reduces chattiness for the client?

✓Correct answer: An aggregation layer (BFF or GraphQL) that fetches and combines data server-side, returning one response shaped for the page
2Making 6 sequential requests from the browser
3Merging all microservices into one

Explanation

Server-side calls are faster within the data center and the client's latency cost is paid once.

Further reading

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