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Standard

NEK ISO/IEC 8825-4:2008

Withdrawn

Note: This standard has a new edition: NEK ISO/IEC 8825-4:2021

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Abstract

ISO/IEC 8825-4:2008 specifies a set of basic XML Encoding Rules (BASIC-XER) that can be used to derive a transfer syntax for values of types defined in ISO/IEC 8824-1 and ISO/IEC 8824-2. It also specifies a set of Canonical XML Encoding Rules (CXER) which provide constraints on the basic XML Encoding Rules and produce a unique encoding for any given ASN.1 value. ISO/IEC 8825-4:2008 further specifies a set of extended XML Encoding Rules (EXTENDED-XER) which adds further encoder options, and also allows the ASN.1 specifier to vary the encoding that would be produced by BASIC-XER. It is implicit in the specification of these encoding rules that they are also used for decoding.The encoding rules specified in ISO/IEC 8825-4:2008:are used at the time of communication;are intended for use in circumstances where displaying of values and/or processing them using commonly available XML tools (such as browsers) is the major concern in the choice of encoding rules;allow the extension of an abstract syntax by addition of extra values for all forms of extensibility described in ISO/IEC 8824-1.ISO/IEC 8825-4:2008 also specifies the syntax and semantics of XER encoding instructions, and the rules for their assignment and combination. XER encoding instructions can be used to control the EXTENDED-XER encoding for specific ASN.1 types.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 2.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 35.100.60
  • National Committee ISO/IEC JTC 1/SC 6

Product Relations

  • Adopted from: ISO/IEC 8825-4:2008 , 0