RFC 2911:Internet Printing Protocol/1.1: Model and...
RFC-Ref

gateway


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... server-side protocol. The rest of the Printer object implements (or gateways into) the application semantics of the print service itself. ...


... output device to put marks on paper. Examples of logical devices include a Web page publisher or a gateway into an online document archive or repository. A Printer object contains ...


... the wrong impression about the state of the Job object. For example, if the implementation is just a gateway into some printing system from which it can normally get status, but temporarily is unable, then the implementation should return the 'unknown' value. However, ...
... from which it can normally get status, but temporarily is unable, then the implementation should return the 'unknown' value. However, if the implementation is a gateway to a printing system that never provides detailed status about the print job, the implementation MAY ...


... IPP application (i.e., a browser, GUI, print driver or gateway) is NOT REQUIRED to examine or display the status message, since it MAY not be returned to the application. ...



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