There&#x27;s a comparison at the end of the specification: <a href="http:&#x2F;&#x2F;tools.ietf.org&#x2F;html&#x2F;rfc7049#appendix-E" rel="nofollow">http:&#x2F;&#x2F;tools.ietf.org&#x2F;html&#x2F;rfc7049#appendix-E</a><p>Having written an implementation (the Lua one) I quite like this format, it&#x27;s flexible, not too complicated and still quite compact.