XAM


In part one of the COSS series, we discussed the nature of content within the cloud.  After determining the nature of the content being stored, it is important to understand how this unstructured and structured content will be stored.  The mechanism for storage has significant impact on a provider’s Service Level Agreement (SLA) to the end user and can also promote the concept of tiered storage within the cloud as well.  To evaluate this storage mechanism, you need to pull apart the storage path to determine what influences it has on the content being stored.  Technologies such as encryption, de-duplication, compression, object-model storage (a la XAM), and even the underlying file system can have a large part in storage and the subsequent retrieval.

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