EXIT CONSIDERATIONS General Models To Evaluate Change

General Categories Provider (-ilities) Reliability, Scalability, Responsibility Contracts SLAs (performance), Consequences, Billing, Data Custody Data Stewardship Migration/Repatriation Transformation/Operational Integration “Proprietary” MetaData Other Repatriation of Business Logic (PaaS) Collapse of the Service – “Fatal Exit” (CodeSpaces.com)

Risk versus Value Dedoose, a cloud-based application for managing research data, suffered a “devastating” technical failure last week that caused academics across the country to lose large amounts of research work, some of which may be gone for good. … Have a Plan “B”

© 2014 Internet2 [ 4 ] Responsibility and Management Model Your Application Testing, Monitoring, Diagnostics and Verification Architectural Views Governance Life Cycle (Birth, Growth, Failure, Recovery, Death) Web of Metadata Categories, Capabilities, Configuration and Dependencies Resource Management Basic Monitoring Software & Hardware Infrastructure Facilities & Logistics Element Management (Split Responsibility) Your Problem Their Problem

© 2014 Internet2 [ 5 ] SoftwarePlatformInfrastructure Hierarchy of Services

© 2014 Internet2 [ 6 ] Architectural Implications Software as a Service Operating System Hypervisor Application Datacenter (Power, Cooling, Physical Security) Application Server MiddlewareDatabase CPUNetworking Storage YOUR DATA Backup Your Problem Their Problem

© 2014 Internet2 [ 7 ] Architectural Implications Platform as a Service Operating System Hypervisor Your Application Datacenter (Power, Cooling, Physical Security) Application Server MiddlewareDatabase CPUNetworkingStorageBackup Your Problem Their Problem

© 2014 Internet2 [ 8 ] Architectural Implications Infrastructure as a Service Your Operating System Hypervisor Your Application Datacenter (Power, Cooling, Physical Security) Your Application Server Your Middleware Your Database CPUNetworkingStorageBackup Your Problem Their Problem