StandardInterfaces V0.1

[Tony Linde]

> I know that you're not much in favour of registries polling 
> services but there may be edge cases where it's desirable.  
> E.g. a private registry monitoring a few, selected services.

It wasn't that. More that if you're going to call the service anyway, why
not just do a 'since' harvest - if you get data returned you know things
have changed, if nothing returned then nothing's changed. Don't really need
a separate method do you?

But we do need different ways for the registry to be kept up to date. For
datasets which are changing by the minute then maybe a 'push' is better, for
slow changing ones, nightly poll, for static ones, let them ping the
registry to come get new stuff.

Basically we should have several options from which a sys admin person can
chosse per resource.

Cheers,
Tony. 

> -----Original Message-----
> From: Guy Rixon [mailto:gtr at ast.cam.ac.uk] 
> Sent: 22 January 2004 14:16
> To: Tony Linde
> Cc: 'Grid_Ivoa_List'
> Subject: RE: StandardInterfaces V0.1
> ...