While human-readable JSON over HTTP remains a popular choice for service communication due to its simplicity and familiarity, in Microservices architectures gRPC is emerging as a popular choice for…

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A performance benchmarking experiment compared gRPC with Protocol Buffers to HTTP with JSON for microservices communication in Go. The tests, run on a local machine, showed that HTTP/2 was slower than gRPC, which in turn was slower than HTTP/1. Despite these results, Protocol Buffers over gRPC remain an effective choice for inter-service communication due to its structured format.

Performance Benchmarking: gRPC+Protobuf vs. HTTP+JSON

<p>this is misleading as testing message was crafted badily, grpc thrives where there is use of constants or small ranges of numbers.</p>


<p>Conclusion, HTTP/1 and JSON is still faster.</p>
