6.5.5 WADO-RS - RetrieveBulkdata
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### 6.5.5 WADO-RS - RetrieveBulkdata

This action retrieves the bulk data for a given bulk data URL. The response is a single bulk data item.

#### 6.5.5.1 Request

The specific Services resource to be used for the RetrieveBulkdata action shall be as follows:

- Resource

  - {BulkDataURL}, where

    - {BulkDataURL} is the URL of a bulk data element. This may be the URL attribute of a BulkData element received in response to a WADO-RS RetrieveMetadataRequest.

    - The server shall always return the same bulk data for a specified BulkData URL if the data is available.

    - If the resource specified by the BulkData URL is not available, the server shall return:

      - 404 - Not Found, if the server expects to be able to return the resource again in the future

      - 410 - Gone, if the server does not expect the resource to be valid in the future

    - The server determines the period of time a BulkData URL resource is available.

- Method

  - GET

- Headers

  - Accept

    - multipart/related; type=application/octet-stream

      Specifies that the response can be Little Endian uncompressed bulk data.

    - multipart/related; type={MediaType}

      Specifies that the response can be pixel data encoded using a {MediaType} listed in Table 6.5-1 (including parameters).

  - Range

    - See RFC 7230 Section 14.35. If omitted in the request the server shall return the entire bulk data object.

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