acquired package info from repodata DB: repodata/0e50863276b0c82d93577659f4645d8d6796dfed61d40c2c5b4d6833adbfc2dc-primary.sqlite.bz2
MessagePack, a binary-based efficient data interchange format
MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.