Internet Printing Protocol/1.1: Encoding and Transport
RFC 8010

Document Type RFC - Internet Standard (January 2017; No errata)
Obsoletes RFC 3382, RFC 2910
Also known as STD 92
Was draft-sweet-rfc2910bis (individual in art area)
Last updated 2018-06-28
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Document shepherd Barry Leiba
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IESG IESG state RFC 8010 (Internet Standard)
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Send notices to "Barry Leiba" <barryleiba@computer.org>
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Internet Engineering Task Force (IETF)                          M. Sweet
Request for Comments: 8010                                    Apple Inc.
Obsoletes: 2910, 3382                                        I. McDonald
Category: Standards Track                               High North, Inc.
ISSN: 2070-1721                                             January 2017

         Internet Printing Protocol/1.1: Encoding and Transport

Abstract

   The Internet Printing Protocol (IPP) is an application-level protocol
   for distributed printing using Internet tools and technologies.  This
   document defines the rules for encoding IPP operations, attributes,
   and values into the Internet MIME media type called
   "application/ipp".  It also defines the rules for transporting a
   message body whose Content-Type is "application/ipp" over HTTP and/or
   HTTPS.  The IPP data model and operation semantics are described in
   "Internet Printing Protocol/1.1: Model and Semantics" (RFC 8011).

   This document obsoletes RFCs 2910 and 3382.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc8010.

Sweet & McDonald             Standards Track                    [Page 1]
RFC 8010             IPP/1.1: Encoding and Transport        January 2017

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   5
     2.1.  Requirements Language . . . . . . . . . . . . . . . . . .   5
     2.2.  Printing Terminology  . . . . . . . . . . . . . . . . . .   5
     2.3.  Abbreviations . . . . . . . . . . . . . . . . . . . . . .   6
   3.  Encoding of the Operation Layer . . . . . . . . . . . . . . .   6
     3.1.  Picture of the Encoding . . . . . . . . . . . . . . . . .   8
       3.1.1.  Request and Response  . . . . . . . . . . . . . . . .   8
       3.1.2.  Attribute Group . . . . . . . . . . . . . . . . . . .   9
       3.1.3.  Attribute . . . . . . . . . . . . . . . . . . . . . .   9
       3.1.4.  Attribute-with-one-value  . . . . . . . . . . . . . .  10
       3.1.5.  Additional-value  . . . . . . . . . . . . . . . . . .  11
       3.1.6.  Collection Attribute  . . . . . . . . . . . . . . . .  12
       3.1.7.  Member Attributes . . . . . . . . . . . . . . . . . .  13
       3.1.8.  Alternative Picture of the Encoding of a Request or a
               Response  . . . . . . . . . . . . . . . . . . . . . .  14
     3.2.  Syntax of Encoding  . . . . . . . . . . . . . . . . . . .  15
     3.3.  Attribute-group . . . . . . . . . . . . . . . . . . . . .  16
     3.4.  Required Parameters . . . . . . . . . . . . . . . . . . .  18
       3.4.1.  "version-number"  . . . . . . . . . . . . . . . . . .  18
       3.4.2.  "operation-id"  . . . . . . . . . . . . . . . . . . .  18
       3.4.3.  "status-code" . . . . . . . . . . . . . . . . . . . .  19
       3.4.4.  "request-id"  . . . . . . . . . . . . . . . . . . . .  19
     3.5.  Tags  . . . . . . . . . . . . . . . . . . . . . . . . . .  19
       3.5.1.  "delimiter-tag" Values  . . . . . . . . . . . . . . .  19
       3.5.2.  "value-tag" Values  . . . . . . . . . . . . . . . . .  20
     3.6.  "name-length" . . . . . . . . . . . . . . . . . . . . . .  23
     3.7.  (Attribute) "name"  . . . . . . . . . . . . . . . . . . .  23
     3.8.  "value-length"  . . . . . . . . . . . . . . . . . . . . .  23
     3.9.  (Attribute) "value" . . . . . . . . . . . . . . . . . . .  24
     3.10. Data  . . . . . . . . . . . . . . . . . . . . . . . . . .  25

Sweet & McDonald             Standards Track                    [Page 2]
RFC 8010             IPP/1.1: Encoding and Transport        January 2017

   4.  Encoding of Transport Layer . . . . . . . . . . . . . . . . .  26
     4.1.  Printer URI, Job URI, and Job ID  . . . . . . . . . . . .  26
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