Cloud Interoperability

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Cloud Interoperability

  1. 1. Enterprise Service Bus Architecture as a Cloud Interoperability and Resource Sharing Platform Amirhossein Mohtasebi
  2. 2. Agenda• Cloud• Interoperability• Interoperability in the Cloud• Light-weight binding• Cloud Service Bus
  3. 3. Cloud• Characteristics: – Unlimited pool of resources – Per use pricing model – Geographically distributed – Instant provisioning and configuration – Great extent of virtualization
  4. 4. Interoperability• Definition – “Interlinking a system, information, or workflows across multiple domains such as enterprise sectors, geographic locations, administrations, etc.” – “The capability of two or more networks, systems, devices, applications, or components to externally exchange and readily use information securely and effectively”
  5. 5. Cloud Interoperability• Portability and Mobility – Virtual Machine (VM) format – Hardware requirements – Metadata – IP – Subnet• Example: Azure Redundancy vs. AWS
  6. 6. Close vs. Open– Business Acceptance– Customer Lock-in– Resource Sharing
  7. 7. Current Situation• There is no single –standard- vocabulary for inter-cloud communications: – How data can go back and forth between Clouds? – How the access regime can be defined for distributed access control? – How meta data can be interpreted in different Clouds (semantic and syntactic)?• Reflects the era before invention of TCP/IP
  8. 8. Cloud InteroperabilityPhysical Layer• Hardware, Software, Platform, VMData Layer• Data Format, Data Type, ValidationsSemantic Layer• Data Context and Domain
  9. 9. Current Efforts– Cloud Computing Interoperability Manifesto– OpenStack, OpenNebula, etc– OVF, CDMI– Supporting Multiple Languages– Supporting Standard API– Open Platforms (Cloud Foundry)
  10. 10. Location Decoupling Application Application Heavy Light-Weight BindingDependencies Platform Platform Platform Platform A B C
  11. 11. Location Decoupling• Heavy Dependency vs. Light-weight Binding – Transport • Managing different protocols • Handling different application design principals (REST), Protocols (SOAP) – Route • Component to direct requests to correct endpoints and vice versa – Message • Transformation of the message (mainly using XSLT, or any transformation mechanism)
  12. 12. Location Decoupling – Security • oAuth • Claim Based Authentication • Kerberos • Role/Right based Authorization – Monitoring and Management • Auditing • SLA • QoS • Billing• Cost?
  13. 13. Location Decoupling• Changing the application level to implement location decoupling? – Another level of customer lock-in• Extracting light-weight binding + Composable Middleware + Standard API?
  14. 14. Enterprise Service Bus• Terminal for integration of different services• Create a mesh of Loosely coupled services• 1:* vs. 1:1 (Federated Interface)• Traditionally: SOAP+WS-Addressing
  15. 15. Cloud Orchestration Architecture• The arrangement, coordination and management of cloud infrastructure to provide services to meet IT and business requirements.• Functions: – Intermediate – Aggregate – Arbitrage
  16. 16. to unlimited Cloud environment.Cloud Orchestration Architecture
  17. 17. Virtualization Layer• Provides a federated interface• Level of standardization: level of complying with federated interface• Extending to the cloud: – Exchanging metadata – Exchanging configurations – Security requirements
  18. 18. implementation of federation interface [19]. Figure 4 illustrates the architecture ofusing service repository and registry in ESB model to bring more flexibility to theESB model. Cloud Service BusFig. 4. Sample registration, discovery, and flow of information through ESB (Source:Grammatikou et al., 2011)
  19. 19. Conclusion• In near future, there won’t be any standard API from business vendors,• Standardization will be community based,• Too soon for semantic interoperability,• Intermediary stack is a viable answers,• The next step is to develop domain driven semantic schemas
  20. 20. Thank You.
  21. 21. References• 1. Carraro G, Chong F (2006) Architecture Strategies for Catching the Long Tail. Microsoft Developer Networks. 2. Mell P, Grace T (2009) NIST Definition of Cloud Computing. National Institute of Standards and Technology,• 3. Corp. D (2011) Dell Unveils Industry’s First OpenStack Infrastructure-as-a- Service Cloud Solution. Dell. 4. Hirschfeld R (2011) Unboxing OpenStack clouds with Crowbar and Chef [in just over 9,000 seconds! ]. Agile in the Cloud.• 5. Armbrust M, Fox A, Joseph AD, Kats RH, Konwinski A, Lee G, Patterson DA, Rabkin A, Stoica I, Zaharia M (2009) Above the Clouds: A Berkeley View of Cloud Computing. University of Berkeley, California 6. Directorate-General E (2003) Linking up Europe: the importance of interoperability for e- government services. The Commission of The European Communities,• 7. Teixeira T, Malo P, Almeida B, Mateus M (2011) Towards an Interoperability Management System. Information Systems and Technologies (CISTI):1-4 8. IEEE (2011) IEEE Guide for Smart Grid Interoperability of Energy Technology and Information Technology Operation with the Electric Power System (EPS), End-Use Applications, and Loads. IEEE Std 2030-2011.• 9. Robinson R (2004) Understand Enterprise Service Bus scenarios and solutions in Service-Oriented Architecture, Part 1. IBM Developerworks. 10. Bean J (2009) Enterprise Service Bus. In: Service Interface Design. Morgan Kaufmann, p 10
  22. 22. References11. Lou M, Goldshlager B, Zhang L-J Designing and implementing Enterprise ServiceBus (ESB) and SOA solutions. In: IEEE International Conference on Service Computing,2005. IBM Global Services,12. Jizhe L, YongJun Y Research & Implementation of LightWeight ESB With Microsoft.NET. In: International Conference on Frontier of Computer Science and Technology,2009.13. Wu J, Tao X Research of Enterprise Application Integration Based-on ESB. In: 2ndInternational Conferance on Advanced Computer Control (ICACC), 2010. 14. Webber J(2005) ThoughtWorks. Guerrilla SOA.15. VMWare (2012) Multi-Language, Multi-Framework, what about Multi- Cloud?VMWare,16. Fielding RT Architectural Styles and the Design of Network-based SoftwareArchitectures. In, 2000. UC Irvine,17. Pouli V, Demchenko Y, MarinosC., Lopez DR, Grammatikou M Composable ServicesArchitecture for Grids. In, 2011. Computer Communications and Networks, pp 223-24718. Demchenko Y (2011) Composable Services Architecture (CSA). OGF,19. Grammatikou M, Marinos C, Demchenko Y, Lopez DR, Dombek K, Jofre J (2011)GEMBus as a Service Oriented Platform for Cloud-Based Composable Services. ThirdIEEE International Conference on Coud Computing Technology and Science

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