History
IPP began as a proposal by Novell for the creation of an Internet printing protocol project in 1996. The result was a draft written by Novell and Xerox called the Lightweight Document Printing Application (LDPA). At about the same time, IBM proposed something called the HyperText Printing Protocol (HTPP), and both HP and Microsoft had started work on new print services for what became MS Windows 2000. Each of the companies chose to start a common Internet Printing Protocol project in the Printer Working Group (PWG) and negotiated an IPP birds-of-a-feather (BOF) session with the Application Area Directors in the Internet Engineering Task Force (IETF). The BOF session in December 1996(?) showed sufficient interest in developing a printing protocol, leading to the creation of the IETF Internet Printing Protocol (ipp) working group.
IPP/1.0 was published as a series of experimental documents (RFC 2565, RFC 2566, RFC 2567, RFC 2568, RFC 2569, and RFC 2639) in 1999. IPP/1.1 followed as a draft standard in 2000 with support documents in 2001 and 2003 (RFC 2910, RFC 2911, RFC 3196, RFC 3510). Additional extensions to IPP were published as RFCs until 2005 when the IETF IPP working group was concluded.
Work on IPP continues in the PWG with the publication of 12 candidate standards providing extensions to IPP and definition of IPP/2.0, IPP/2.1, and now IPP/2.2 representing different categories or classes of printers. A new IPP Everywhere project began in July 2010 to define an IPP profile and extensions required to support driverless printing, with a focus on non-traditional platforms such as netbooks and mobile Internet devices. The new project also expands the scope of IPP standards to include printer discovery and standard document formats.
Read more about this topic: Internet Printing Protocol
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