Thanks for the detailed responses. I agree the only way to analyze the performance impact is to implement the solutions. We are in the process of evaluating the exact requirements before diving deeper into SASProprietary or SAS/Secure I am concerned with the AES option in SAS/Secure can significantly impact the performance which will not be well received by our users. We already use very expensive disk to get them the best performance, but it may not be sufficient. Thanks again ! Vikas
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