[OAI-implementers] OAI -- some issues
Mon, 17 Dec 2001 10:42:53 -0000
> - data harvesting (the scheme of harvesting data periodically, or by some
> other ways ). The data harvesting mechanism is working in a passive mode
> (right?) It seems that if the number of data providers goes big, the
> bandwidth and time for updating metadata may be an issue to consider,
A related question is are there any guidelines on how often a service provider
could/should harvest content from a particular data provider. As the number
of service providers increases, the load on the data provider's servers/bandwidth
could get quite large. Seems like there will be a large overhead on the initial
harvest that a servicer makes from a given data provider as well
(ongoing harvests can be time-delimited).
A means for a data provider to be able to regulate when content should be
harvested, (e.g. in the early hours of the morning), or request a frequency for
repeated harvests (e.g. no more frequent than every 12 hours) might be
something to consider.