Feature Comparison between Azure Development Storage (based on July CTP) and Azure Cloud Storage
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Feature
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Development Storage
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Azure Storage
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Connect to Accounts at a time
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Single Fixed Account.
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Multiple Accounts.
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Protocol
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Supports only Http.
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Supports Http and Https.
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URI
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Hierarchical path part of the URI.
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Domain name.
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Table
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Requires configuration of fixed schema table prior to use.
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Does not require configuring the schema (Tables are schema less).
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Dynamic Table
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Does not support dynamic creation and deletion tables.
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Supports dynamic creation and deletion tables.
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Table Service
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Shared Key Lite Authentication is supported.
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Shared Key Authentication is supported.
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Container/Blob Service
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Shared Key Authentication is supported.
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Shared Key Authentication is supported.
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Error Information
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Not fully supported the extended error information returned by the cloud storage service.
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Supported.
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IIS
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Run IIS 7.0 in integrated mode.
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Run IIS 7.0 in integrated mode.
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Administrative Privileges
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Must need Administrative Privileges.
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No need of Administrative Privileges (runs with Standard Windows User).
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Table and Entities
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Entity group transaction for table storage
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Not Supported
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Supported
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Creating Entities
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Supported
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Supported
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Adding New Attributes in Entity
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Not Supported
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Supported
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Type of Attribute
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Attribute type of a Attribute (Siring, Int32, etc) can't be different within the same table.
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An Attribute type of a Attribute (String, Int32, etc) can be different within the same table.
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String Property
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String Properties are limited to 1,000 characters.
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All the properties are limited to 255 characters.
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Date Property
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Date range is January 1, 1753 to December 31, 9999.
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Date range is January 1, 1601 to December 31, 9999.
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Query on Tables
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Supported
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Supported
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Delete Entity
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Supported
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Supported
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Delete Table
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Supported
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Supported
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Containers and Blobs
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Creating Containers
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Supported
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Supported
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Upload Blobs
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Supported
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Supported
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Download Blobs
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Supported
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Supported
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Delete Blobs
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Supported
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Supported
|
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Blob Size
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Up to 2 GB.
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Up to 50 GB.
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Container Metadata
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Supported
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Supported
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Blob Metadata
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Supported
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Supported
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Delete Container
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Supported
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Supported
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Container Access Policy
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Not Supported
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Supported
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Shared authentication signatures for blob
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Not Supported
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Supported
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Root blob container
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Not Supported
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Supported
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Update blob with PutBlockList
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Not Supported
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Supported
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Copy blob
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Not Supported
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Supported
|
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GetBlockList
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Not Supported
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Supported
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URL of the Blob
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Can be access if container is marked public.
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Can be access if container is marked public.
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Queue and Messages
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Create Queues
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Supported
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Supported
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Queue Metadata
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Supported
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Supported
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Create Messages
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Supported
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Supported
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Clear Messages
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Supported
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Supported
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Delete Queue
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Supported
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Supported
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Note - To use Azure Development Storage you need to install Visual Studio 2008 SP1 and Windows Vista SP1/Windows7. This is not required for Azure Cloud Storage.