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Monday, September 7, 2009

Cloud Computing &Oracle -1

Complete Data Security and Privacy with Built-In Encryption
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Oracle Secure Backup provides the ability to encrypt backups to ensure data
security and privacy.While most Storage
Cloud vendors provide robust security to ensure that only authorized users can
access data, Oracle Secure Backup’s ability to encrypt data at its source

Intelligent, Network-Optimized Backup

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Network bandwidth consumption and the time required to complete backups can
be another major concern while backing up databases to the Cloud, over the public
Internet.Intelligent, Network-Optimized Backup
Network bandwidth consumption and the time required to complete backups can
be another major concern while backing up databases to the Cloud, over the public
Internet. The Oracle Secure Backup Cloud module features a rich set of capabilities
to intelligently minimize the volume of backup data and also to compress backups.

Oracle Secure Backup is tightly integrated with the Oracle Database engine, Oracle Secure Backup can identify unused space (blocks) within the database and skip backing it up. Since database administrators typically allocate more space than they actually use, to provide headroom for future growth, this can lead to a substantial reduction in both backup size and time.

Additionally, starting with Oracle Database 11g,
Oracle Secure Backup can also eliminate committed undo data from backup by
identifying and backing up only the “active” undo data (i.e. undo data related to
transactions in progress at the time of backup). Database undo sizes typically range
from 10 to 100s of GB and this optimization can also lead to significant
improvements in backup performance.
It is important to note that both unused space and undo data backup optimization
are unique features of Oracle Secure Backup and are not available with any other
backup product.



With Oracle Secure Backup Cloud module, users can also utilize RMAN’s rich
compression capabilities. This includes the Oracle Database 11g Fast Compressed
Backup feature, which normally requires the Advanced Compression option.cost. Compression typically results in a 50% reduction in backup size.
When transmitting backups over slower networks, such as the public internet,any

 

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