I-D ACTION:draft-ietf-ipp-model-v11-01.txt
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Subject: I-D ACTION:draft-ietf-ipp-model-v11-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Internet Printing Protocol Working Group of the IETF. Title : Internet Printing Protocol/1.1: Model and Semantics Author(s) : R. de Bry, T. Hastings, R. Herriot, S. Isaacson, P. Powell Filename : draft-ietf-ipp-model-v11-01.txt Pages : 165 Date : 25-Feb-99 This document is one of a set of documents, which together describe all aspects of a new Internet Printing Protocol (IPP). IPP is an application level protocol that can be used for distributed printing using Internet tools and technologies. This document describes a simplified model consisting of abstract objects, their attributes, and their operations that is independent of encoding and transport. The model consists of a Printer and a Job object. A Job optionally supports multiple documents. IPP 1.1 semantics allow end-users and operators to query printer capabilities, submit print jobs, inquire about the status of print jobs and printers, cancel, hold, release, and restart print jobs. IPP 1.1 semantics allow operators to pause, resume, and purge (jobs from) Printer objects. This document also addresses security, internationalization, and directory issues. The full set of IPP documents includes: Design Goals for an Internet Printing Protocol [IPP-REQ] Rationale for the Structure and Model and Protocol for the Internet Printing Protocol [IPP-RAT] Internet Printing Protocol/1.1: Model and Semantics (this document) Internet Printing Protocol/1.1: Encoding and Transport [IPP-PRO] Internet Printing Protocol/1.1: Implementer's Guide [IPP-IIG] Mapping between LPD and IPP Protocols [IPP LPD] The 'Design Goals for an Internet Printing Protocol' document takes a broad look at distributed printing functionality, and it enumerates real-life scenarios that help to clarify the features that need to be included in a printing protocol for the Internet. It identifies requirements for three types of users: end users, operators, and administrators. It calls out a subset of end user requirements that are satisfied in IPP/1.0. Operator and administrator requirements are out of scope for version 1.0. A few OPTIONAL operator operations have been added to IPP/1.1. The 'Rationale for the Structure and Model and Protocol for the Internet Printing Protocol' document describes IPP from a high level view, defines a roadmap for the various documents that form the suite of IPP specifications, and gives background and rationale for the IETF working group's major decisions. The 'Internet Printing Protocol/1.1: Encoding and Transport' document is a formal mapping of the abstract operations and attributes defined in the model document onto HTTP/1.1. It defines the encoding rules for a new Internet MIME media type called 'application/ipp'. This document also defines the rules for transporting over HTTP a message body whose Content-Type is .application/ipp.. This document defines a new scheme named .ipp. for identifying IPP printers and jobs. Finally, this document defines rules for supporting IPP/1.0 clients. The 'Internet Printing Protocol/1.1: Implementer's Guide' document gives insight and advice to implementers of IPP clients and IPP objects. It is intended to help them understand IPP/1.1 and some of the considerations that may assist them in the design of their client and/or IPP object implementations. For example, a typical order of processing requests is given, including error checking. Motivation for some of the specification decisions is also included. The 'Mapping between LPD and IPP Protocols' document gives some advice to implementers of gateways between IPP and LPD (Line Printer Daemon) implementations. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-ipp-model-v11-01.txt Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-ipp-model-v11-01.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-ipp-model-v11-01.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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