Proposed sketch of 30114-1

[MURATA Makoto]

Dear colleagues,

Here is a sketch of 30114-1.



2. MCE

Use John's draft

3. Foreign OPC parts

3.1 General
Media types
Relationship types

3.2 Processing

Case 1: an appliation program is unaware of a foreign OPC part

The application program does not handle the foreign part, but
should preserve it.

Case 2: an appliation program is aware of a foreign OPC part

The application program may handle the foreign part and may preserve
it.


4. Comparison and Guidelines

MCE ignorables and ACBs

- Easy to use anywhere in XML parts
- Old application programs thow MCE ignorables and ACBs.

MCE application-defined extension elements
- Usable only at predefined locations in XML parts
- Old application programs preserve application-defined extension elements

Foreign OPC parts

- Detached from the original part
- Old application programs preserve foreign OPC parts

Regards,
Makoto
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