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© 2012 Open Grid Forum Simplifying Inter-Clouds October 10, 2012 Hyatt Regency Hotel Chicago, Illinois, USA
© 2012 Open Grid Forum Last June Last June, I was at the summer meeting of the NSF Center for Cloud and Autonomic Computing I presented some of these slides…
© 2012 Open Grid Forum Fundamental Cloud Concepts Cloud Service Models IaaS, PaaS, SaaS Cloud Deployment Models Private, Hybrid, Federated/Community, Public Determined by Two Fundamental Properties: Within Trust BoundaryCrossing Trust Boundary CentralizedPrivate Cloud(Commercial) Public Cloud Distributed Federated, Community Cloud Federated, Hybrid, or Multiple Public Cloud
© 2012 Open Grid Forum Resulting System Types Centralized (stand-alone) Many basic functions can/must be deployed Distributed Distributed versions of most of the above Must minimize impact of latency and bandwidth Federated – Inter-clouds Requires federated identity, resource management
© 2012 Open Grid Forum The Design Space Cloud Res Mgmt Security Catalog & Discovery Data Management Svc/Job/Wkflw Mgmt System Bldg Tools Communication Monitoring & Eventing Accounting & Auditing APPLICATIONS Large Scale Small Scale Centralized Distributed Federated Goal: Identify a development sequence to get from small-scale, private clouds to large-scale, federated clouds
© 2012 Open Grid Forum Possible Centralized Cloud Topics Identity Provisioning Attribute-, Role-, and Policy-based Authorization Heterogeneous Compute Resources Complex, Virtual Applications Programming Paradigms Workflow Management SaaS Portals VM Scheduling VLAN Management Service Level Agreements Monitoring Policy-Based System Management Local Fail-over System Integrity
© 2012 Open Grid Forum Distributed Cloud Topics Distributed versions of many centralized cloud functions will be needed Critical to minimize the impact of reduced bandwidth and increased latency on these functions when running them across a distributed infrastructure If something can be run in a centralized manner, do so! Avoid distributed execution whenever possible Topics Distributed catalogs and discovery Distributed workflow management Distributed programming paradigms Policy-based data management Remote fail-over
© 2012 Open Grid Forum Federated Inter-Cloud Topics Federated Identity Management Semantic interoperability of user attributes, roles Trust Federations Trusting other users and identity providers through compliance certification Example: International Grid Trust Federation, www.igtf.net Virtual Organizations VO-specific roles/attributes determine what a user can do within that VO Unilateral policy enforcement by resource owners A well-defined policy language over user and resource attributes to enable cross-organizational polices Single Sign-On Reuse of electronic identities Delegation of Trust Secure, third-party operations
© 2012 Open Grid Forum And Geoffrey Said: Youre making things too complicated.
© 2012 Open Grid Forum Why Do We Need Inter-Clouds? NIST Requirement #5 Data access and interoperability and integration Disaster Response B to B, Agency to Agency, Sovereign to Sovereign R&D groups Surge Pools Fail-over Agile Organizations Avoiding non-interoperable cloud silos
© 2012 Open Grid Forum Barriers to Technology Adoption Complexity Number of components Scale of Adoption Necessary critical mass of realize benefits Scale of Usefulness; Metcalfes law Market timing, market readiness Cost to deploy and operate Time, money and people Economic self-sustainability
© 2012 Open Grid Forum Approaches to Adoption Risk mitigation Unilateral deployments Incremental deployments Abstraction – Simplification Descope – what works for most cases Avoid complicating corner cases Quick-n-dirty Packaging Standardized functions and interfaces
© 2012 Open Grid Forum What Makes Inter-Clouds So Complicated? And What Can We Do About It? Three broad categories: Security, Resources, Data
© 2012 Open Grid Forum Security Federated Identity Management Semantic interoperability of user attributes, roles Trust Federations Trusting other users and identity providers through compliance certification, e.g., IGTF Virtual Organizations VO-specific roles/attributes determining user authorizations Unilateral policy enforcement by resource owners A well-defined policy language over user and resource attributes to enable cross-organizational polices Single Sign-On Reuse of electronic identities Delegation of Trust Secure, third-party operations
© 2012 Open Grid Forum Resources Complex Apps – VM, storage containers and VLANs VLAN Management Service Level Agreements Monitoring & Eventing Accounting & Auditing Local and Remote Fail-over
© 2012 Open Grid Forum Data Data Access and Integration Attribute-, Role-, and Policy-based Authorization Policy-based data management
© 2012 Open Grid Forum Conclusions & Recommendations? What adoption and simplification techniques could/should be applied to all of these capabilities? ??
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