openstack team mailing list archive

[Jorge Williams <jorge.williams@xxxxxxxxxxxxx>]

On 9/19/11 1:03 AM, "Mark McLoughlin" <markmc@xxxxxxxxxx> wrote:

>The spec is actually quite clear on the different between PUT and POST:
>
>  "The fundamental difference between the POST and PUT requests is
>   reflected in the different meaning of the Request-URI. The URI in a
>   POST request identifies the resource that will handle the enclosed
>   entity. That resource might be a data-accepting process, a gateway to
>   some other protocol, or a separate entity that accepts annotations.
>   In contrast, the URI in a PUT request identifies the entity enclosed
>   with the request"

Right.  Another important difference between PUT and POST in that PUT is
idempotent -- see section 9.1.2.  In reality both PUT and POST can be used
for create and update. Some further thoughts on this in
http://etherpad.openstack.org/RFC-API-Guidelines

-jOrGe W.

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