Page 141 - Cloud computing: From paradigm to operation
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Framework and requirements for cloud computing                                 1


             Title            The data read/write cache and parallel distributed file
                              for performance enhancement
             Derived          –  Clause 8.3 requirement (5)
             requirements     –  Clause 8.4 requirement (16)
                              –  Clause 8.3 requirement (7)
                              –  Clause 8.2 requirement (5)
                              –  Clause 8.3 requirement (8)
                              –  Clause 8.3 requirement (9)


            I.9     Data storage federation and management
             Title            The use case for data storage federation and management
             Description      In this scenario, it is a use case for one storage system connected to various storage types. In
                              the figure on this use case, no matter what type of storage the storage system has, the DSF
                              service customer is seen as the federated storage and DSF service customer does not care
                              about what storage they use. Thus, a federated storage system or appliance in this figure is
                              responsible for making multiple storage systems of a storage visible to a single system.
                              Similarly, management has a unified management interface.
             Role/Sub-role    DSF service customer (CSC:CSU)
                              DSF service provider (CSP:SFP/DMP)
                              DSF local storage provider (CSP:CSM)
             Figure (optional)


























             Pre-conditions   –  CSC:CSU requests a data storage to DSF service provider and has own data storage.
             (optional)       –  CSP:SFP provide storage system, appliance or device to federate the other storages
             Post-conditions
             (optional)
             Derived          –  Clause 8.2 requirement (7)
             requirements     –  Clause 8.3 requirement (14)
                              –  Clause 8.1 requirement (2)
                              –  Clause 8.2 requirement (6)
                              –  Clause 8.4 requirement (5)
                              –  Clause 8.1 requirement (8)
                              –  Clause 8.2 requirement (8)






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