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Intercloud and interoperability                                     5




                             Table I.1 – Mapping of inter-cloud computing functional requirements
                                                 and inter-cloud functions

                                                                              Inter-cloud functions in this
                   Functional requirements specified in [ITU-T Y.3511]
                                                                                  Recommendation
             9.4 resource
             discovery   Allow the reservation of discovered  resources in the   –  7.3.5 Inter-cloud service reservation
             and         peer CSPs.                                      –  7.3.7 Inter-cloud capabilities adaptation
             reservation
             9.4 resource  Allow provisional reservation of discovered resources,
             discovery   i.e., to keep the resources to be used (as candidates), for  –  7.3.5 Inter-cloud service reservation
             and         later acknowledgement (for some of them) or release   –  7.3.7 Inter-cloud capabilities adaptation
             reservation   (for others).
             9.4 resource                                                –  7.3.3 Inter-cloud service discovery
             discovery   Allow finding of available resources in the peer CSPs   –  7.3.4 Inter-cloud service selection
             and         based on different priorities.
                                                                         –  7.3.7 Inter-cloud capabilities adaptation
             reservation
             9.4 resource
                                                                         –  7.3.5 Inter-cloud service reservation
             discovery   Allow reservation of available resources in the peer CSPs
                                                                         –  7.3.4 Inter-cloud service selection
             and         on the basis of different priorities
                                                                         –  7.3.7 Inter-cloud capabilities adaptation
             reservation
                                                                         –  7.2.2 Service provisioning
                         The resource set-up and activation capability deals with   –  7.2.8 Peer service management
                         the set up and activation of reserved resources in the   –  7.3.7 Inter-cloud capabilities adaptation
             9.5 resource
                         peer CSPs. This includes connecting to the peer CSPs via  –  7.4.1 Authentication and identity
             set-up and
                         networks, remotely activating (i.e., invoking) software   management
             activation
                         and transferring or copying data to enable the use of   –  7.4.2 Authorization and security policy
                         resources in the peer CSPs.                       management
                                                                         –  7.4.3 Encryption management
             9.5 resource   Allow the establishment of reserved resources in a peer  –  7.2.2 Service provisioning
             set-up and   CSP.
             activation                                                  –  7.3.7 Inter-cloud capabilities adaptation
             9.5 resource   Allow accessing to the configuration and policy settings   –  7.2.2 Service provisioning
             set-up and   of reserved resources in the peer CSPs.        –  7.2.8 Peer service management
             activation                                                  –  7.3.7 Inter-cloud capabilities adaptation
                                                                        –  7.3.1 Peer CSP management
                         Allow switching over of CSC end-user access to a peer
                         CSP (acting as primary CSP) without manual operation   –  7.2.7 Incident and problem
                         from the CSC, in order to allow the CSC end user to use   management
             9.6 cloud
                         services in a similar manner to the way they did before   –  7.2.5 Service automation
             services
                         the access was switched over.                  –  7.3.7 Inter-cloud capabilities adaptation
             switchover
             and         Allow switching back of CSC end-user access to the   –  7.4.1 Authentication and identity
                         primary CSP when this CSP has recovered from the   management
             switchback
                         reasons that led to the switchover (e.g., a disaster or   –  7.4.2 Authorization and security policy
                         load distribution between peer CSPs is no longer   management
                         needed).
                                                                        –  7.4.3 Encryption management
                                                                        –  7.2.3 Monitoring and reporting
             9.7 resource  Allow updating of the peer CSP resource configuration
                                                                        –  7.2.8 Peer service management
             release     information.
                                                                        –  7.3.7 Inter-cloud capabilities adaptation
             9.7 resource  Allow releasing by the CSP of resources reserved,   –  7.3.6 Inter-cloud service release
             release     activated or set up in the peer CSPs.          –  7.3.7 Inter-cloud capabilities adaptation




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