Openness of Standards


The ProSTEP Association together with PDES, Inc. and further organizations associated by the International Industry STEP Center (ECOM, USPI-NL, EMSA, ...) prepared a definition for open standards.

In order to be considered as open, a standard has to fulfil the follwoing criteria.
The open standard (including the data model) is described according to widely available, non-proprietary practices (e.g., object modeling methods using UML or EXPRESS) and includes defined semantics.
Format and services implementing the data are explicitly described (e.g., STEP Part 21 or XML, PLM services, binary/text formats, etc.) and documentation of the format and services is readily available.
Use of the standardized data and documentation is freely available (e.g., processing of the data is not “controlled” by patents on algorithms).
The updating process of the associated components is described and well-accepted by the community of involved parties (e.g., STEP ISO ballot procedures, OMG and W3C consortium procedures).
All organizations are able to participate in the ballot process.
Responsibility for maintaining the standard is clearly defined and held by a responsive organization.
The open standard (including the data model) and its documentation are not restricted by royalties, patents, or other IP restrictions, are publicly available*, and, if copyrighted, are available at reasonable cost.

* Independent of citizenship or membership in a specific organization or community.
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