[TAP] sync vs async - time outs

[Patrick Dowler]

On Wednesday 04 March 2009 07:48:19 Tom McGlynn wrote:
> I agree with what you had said more elegantly in your earlier message.
> My point was to emphasize my sense that that people were saying
> asynchronous calls somehow obviated the need for careful timeout

The UWS spec already has a mechanism for specifying/negotiating how long the 
job will actually be allowed to run, which covers the TIMEOUT behaviour for 
async jobs. This is independent of a (larger) time that the service will keep 
the job (and results) before destroying it (and the result or error 
document).

Otherwise, DAL generally uses MAXREC to specify "how much work" but I think we 
all agree that this does not capture the it very well at all.

-- 

Patrick Dowler
Tel/Tél: (250) 363-0044
Canadian Astronomy Data Centre
National Research Council Canada
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