What's RFC 2396?

Can anybody tell me meaning of term开发者_开发百科 RFC 2396 it's related with the NSURL or something?

RFC 2396 describes the syntax and format of a URI.

Wikipedia has a good overview over the sequence of RFC that defined and refined the URI spec.

The term RFC itself stands for Request for Comments, which sounds like it is a mere proposal, but most of them actually end up being the official industry standard.

Wikipedia: An informational RFC can be nearly anything from April 1 jokes over proprietary protocols up to widely recognized essential RFCs like Domain Name System Structure and Delegation (RFC 1591).

RFC stands for request for proposal .... which sets standard for various networking phenomenon