The requested resource corresponds to any one of a set of representations, each with its own
specific location, and agent- driven negotiation information (section 12) is being provided so that the
user (or user agent) can select a preferred representation and redirect its request to that location.
The entity format is specified by the media type given in the Content-type header field. Depending
upon the format and the capabilities of the user agent, selection of the most appropriate choice MAY
be performed automatically. However, this specification does not define any standard for such
If the server has a preferred choice of representation, it SHOULD include the specific URI for that
representation in the Location field; user agents MAY use the Location field value for automatic
redirection. This response is cacheable unless indicated otherwise.