The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments and errata) applies.

OPC 10000-1, OPC Unified Architecture - Part 1: Concepts

http://www.opcfoundation.org/UA/Part1/

OPC 10000-3, OPC Unified Architecture - Part 3: Address Space Model

http://www.opcfoundation.org/UA/Part3/

OPC 10000-4, OPC Unified Architecture - Part 4: Services

http://www.opcfoundation.org/UA/Part4/

OPC 10000-6, OPC Unified Architecture - Part 6: Mappings

http://www.opcfoundation.org/UA/Part6/

OPC 10000-7, OPC Unified Architecture - Part 7: Profiles

http://www.opcfoundation.org/UA/Part7/

OPC 10000-9, OPC Unified Architecture - Part 9: Alarms and conditions

http://www.opcfoundation.org/UA/Part9/

OPC 10000-10, OPC Unified Architecture - Part 10: Programs

http://www.opcfoundation.org/UA/Part10/

OPC 10000-11, OPC Unified Architecture - Part 11: Historical Access

http://www.opcfoundation.org/UA/Part11/

OPC 10000-18, OPC Unified Architecture - Part 18: Role-Based Security

http://www.opcfoundation.org/UA/Part18/

OPC 10000-20, OPC Unified Architecture - Part 20: File Transfer

http://www.opcfoundation.org/UA/Part20/

RFC 2045, Multipurpose Internet Mail Extensions (MIME) Part One:

http://www.ietf.org/rfc/rfc2045.txt

RFC 2046, Multipurpose Internet Mail Extensions (MIME) Part Two:

https://www.ietf.org/rfc/rfc2046.txt

RFC 2047, Multipurpose Internet Mail Extensions (MIME) Part Three:

https://www.ietf.org/rfc/rfc2047.txt

RFC 3986, Uniform Resource Identifier (URI): Generic Syntax:

https://www.ietf.org/rfc/rfc3986.txt

ISO/IEC/IEEE 60559:2011, Information technology – Microprocessor Systems – Floating-Point arithmetic

https://www.iso.org/standard/57469.htmlhttps://www.iso.org/standard/57469.html

XML Schema Part 1, Structures

http://www.w3.org/TR/xmlschema-1/

XML Schema Part 2, Datatypes

http://www.w3.org/TR/xmlschema-2/

UTF-8, UTF-8, a transformation format of ISO 10646

http://www.ietf.org/rfc/rfc3629.txt

ISO/IEC 11578:1996, Information technology – Open Systems Interconnection – Remote Procedure Call (RPC)

https://www.iso.org/standard/2229.htmlhttps://www.iso.org/standard/2229.html

Semantic Versioning 2.0.0

https://semver.org/

Unicode Database

https://www.unicode.org/Public/UCD/latest/ucd/PropList.txthttps://www.unicode.org/Public/UCD/latest/ucd/PropList.txt