IHE / IHE/DEV.SDPi

PAT#23 finding: Discovery Metadata version

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#533 6 comments 0 reactions 1 assignee View on GitHub

@d-gregorczyk is already working on this.

Since May 29, 2026.

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Kotlin
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Description

As discussed in the PAT#23, the metadata version cannot be trusted, not only in ad-hoc mode, but also in managed mode. Rationale: devices may not be able to guarantee strictly increasing values of the metadata version.

Therefore:

  • Add chapter that shows the limitations of the metadata version
  • Add requirement that discovery messages need to be kept in order when transmitting hellos, which is im portant esp. in messages sent in quick succession

This will solve the issue for discovery proxy metadata updates where the right order of messages obsoletes the need for a metadata version.

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