Evaluator Group primary research shows that a large majority of enterprise IT organizations see a hybrid cloud architecture that establishes connectivity and integration with multiple public clouds as an ultimate objective. This necessarily means that they will be users of different and often disparate public cloud storage services. Our research points to:
While it is clear that public cloud storage usage will grow among enterprise IT users, we have found certain challenges will be faced. From our survey, interviews and client engagements we see that these include:
From the research work we developed several areas which need to be addressed during the evaluation.
Cloud storage is different, but some would say in a good way. There are ways to tune for performance, optimize cost efficiency, and automate processes that are likely not available in on-premises storage environments. Getting to know them can be difficult at first but well worth the effort. As one respondent put it:
“Transactional behavior has to be well understood. You have to understand the storage-level instructions.”
The three keys to understanding storage in the cloud are:
To expand on this theme, we note that the default assumption in the Cloud is storage is not highly available, but rather highly durable. That is, access may be temporarily lost for storage, and applications should be architected to handle this resiliently. In contrast many traditional IT applications expect storage to be both highly durable but also highly available with nearly instantaneous failover, not so in the cloud unless using specific storage constructs along with applications designed for the cloud.
Evaluation Guide Includes:
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