RPC - Part: Serialization Protocols (Message Format)
Data serialization. It’s like JSON. but fast and small. MessagePack is an efficient binary serialization format. MessagePack: It’s like JSON. but fast and small.
MessagePack (vs JSON, BSON, YAML, etc) is 2-50x faster, 2x smaller! Build reliable, traceable, distributed systems with ZeroMQ - YouTube
If you ever wished to use JSON for convenience (storing an image with metadata) but could not for technical reasons (encoding, size, speed…), MessagePack is a perfect replacement.