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> Gareth,
> 
> There are a number of improvisations in v2 of Glance API. To name a few the
> registry layer is no longer been used in v2 of Glance API(so one less layer
> your request has to go through), image sharing has been designed to prevent
> spamming in v2, there are additional features like protected properties and
> multiple locations been worked on. I am sure there are several more.


One other bit of newness in v2 that's worth noting, because it's
actually used in anger by both cinder and nova currently, is the
direct_url metadata which if enabled in glance allows a client to
directly access image content from the backend store (if that can
be achieved more cheaply that way than by traversing the glance-api
service).

Also there was a design document for the v2 API knocking around
that might be useful for background and detail. The latest draft
version I have to hand is:

  https://docs.google.com/document/d/1jPdgmQUzTuSt9iqcgPy74fbkzafCvqfQpvzRhwf2Kic

though there may be a more recent version in existence.

Cheers,
Eoghan

 
> Thanks,
> Iccha
> 
> -----Original Message-----
> From: "Gareth" <academicgareth at gmail.com>
> Sent: Thursday, April 11, 2013 12:51am
> To: openstack-dev at lists.openstack.org
> Subject: [openstack-dev] [Openstack][Glance] difference api version between
> v1 and v2
> 
> _______________________________________________
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> Hi, Glance devs
> 
> Any design purpose between v1 and v2 API?
> 
> I know the url changed a little, but functionality seems same.
> 
> So is there any further improvement in v2 API?
> 
> Thanks
> --
> Gareth
> 
> *Cloud Computing, Openstack, Fitness, Basketball
> *
> *OpenStack contributor*
> *My promise: if you find any spelling or grammar mistakes in my email from
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> 
> 
> 
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