Registry Interfaces 1.1 RFC

[Walter Landry]

Theresa Dower <dower at stsci.edu> wrote:
> All,
> 
> Registry Interfaces 1.1, an update to best practices for registry
> searching and for synchronizing registry contents, is now in RFC
> after discussions at Trieste and on the registry list.
> 
> RFC page: http://wiki.ivoa.net/twiki/bin/view/IVOA/RI11RFC
> Current Document: http://www.ivoa.net/documents/RegistryInterface/20170201/

I guess I missed this last time.

  In its Identify response, an OAI-PMH-compliant registry must declare
  its support for deleted records. This can be one of

  no
    - the registry will never notify harvesters of records that have
      become unvailable. In an enviroment like the VO, where
      searchable regiestries frequently harvest publishing registries,
      this is severely discouraged, as without deleted records,
      harvesters need to perform full harvests every time or risk
      delivering stale records.

The total amount of data that is being transferred is tiny.  Is there
really any need to discourage full harvests?  Retaining deleted
records increases implementation effort.

Cheers,
Walter Landry