Part I Introduction to Service Level Agreements in Service Oriented Architectures

Transcription

1 Contents Part I Introduction to Service Level Agreements in Service Oriented Architectures Motivation and Overview... 3 Joe M. Butler, Ramin Yahyapour, and Wolfgang Theilmann 1 Socio-economic Context and Motivation Towards a Service Economy Cloud Computing Future Internet Business Need for Systematic SLA Management Vision Technical Perspective Related Concepts ITIL Autonomic Management Conclusion and Book Overview References A Reference Architecture for Multi-Level SLA Management Jens Happe, Wolfgang Theilmann, Andrew Edmonds, and Keven T. Kearney 1 Introduction Scope and Goals Foundation Concepts Service Hierarchy Management of Services and SLAs Data Models Architecture Building Blocks Top-Level Architecture Main Components Conclusions References xiii

2 xiv Contents The Open Reference Case Christoph Rathfelder, Benjamin Klatt, and Giovanni Falcone 1 Background Adapted ORC Use Case Scenario Stakeholders Supported Business Process ORC Architecture and Services ORC Services ORC Deployment Options Interactions with the SLA@SOI Framework Discovery Interaction Provisioning Interaction Monitoring Interaction Conclusion References Part II Foundations for Service Level Agreements The SLA Model Keven T. Kearney and Francesco Torelli 1 Introduction Basic Concepts SLAs and SLA Templates SLA(T) Parties SLA(T) Interface Declarations SLA(T) Agreement Terms Interface Specifications Value Types (the abstract constraint language) Constraint Expressions Constants and Datatypes Parametrics Domain-Specific Vocabularies An Example SLA Conclusion References Service Construction Meta-Model Jens Happe, Wolfgang Theilmann, and Alexander Wert 1 Introduction Service Hierarchy Software Landscape Core elements of the SCM ServiceType Service Implementation ServiceBuilder Service Instance

3 Contents xv 5 Example Conclusions References Translation of SLAs into Monitoring Specifications Khaled Mahbub, George Spanoudakis, and Theocharis Tsigkritis 1 Introduction The Monitoring Infrastructure Overview of EC-Assertion Parsing SLA Guarantee Terms Generation of Operational EVEREST Monitoring Specifications Templates for Basic QoS Terms Translation Limitations Related Works Conclusions References Part III Scientific Innovations Penalty Management in the SLA@SOI Project Constantinos Kotsokalis, Juan Lambea Rueda, Sergio García Gomez, and Augustín Escámez Chimeno 1 Introduction Business Considerations for Penalty Calculation and Reporting Business Terms Associated with Penalties The SLA@SOI Penalty Management Architecture Monitoring Reporting Violations and Penalties Management A Formal, Novel Penalty Model Example Application Related Work Summary and Conclusions References Dynamic Creation of Monitoring Infrastructures Howard Foster and George Spanoudakis 1 Introduction Architecture Monitoring Features Specification Approach to Configuration SLA Term Decomposition Monitoring Configuration Monitor Selection System Configuration Configuration Deployment

4 xvi Contents 6 Implementation and Validation The MonitoringManager Packages Testing and Validation Related Work Conclusions and Future Work References Runtime Prediction Davide Lorenzoli and George Spanoudakis 1 Introduction Related Work Example Scenario Background: The EVEREST Monitoring Framework Prediction Specifications Predictor Configuration QoS Specification Architecture Of EVEREST Prediction Manager Monitoring Specification Generator Model Manager QoS Predictor Conclusion References Software Performance and Reliability Prediction Franz Brosch 1 Introduction Goals and Scope QoS Meta-Model Prediction Workflow Prediction Realisation Overview Prediction Engine Internals Prediction Process Use Cases References Part IV Core Components of the Service Level Agreements Framework G-SLAM The Anatomy of the Generic SLA Manager Miguel Angel Rojas Gonzalez, Peter Chronz, Kuan Lu, Edwin Yaqub, Beatriz Fuentes, Alfonso Castro, Howard Foster, Juan Lambea Rueda, and Augustín Escámez Chimeno 1 Introduction Plug-in-based Approach to the G-SLAM Architecture The G-SLAM Architecture...168

5 Contents xvii 3.1 Technology Used by the Plug-in-based G-SLAM Architecture Generic Components Core of the G-SLAM via Interfaces Abstraction Layer for the Domain-Specific Components PACandPOC Main Bundle for the G-SLAM Syntax Conversion for Interoperability Protocol Engine SLATemplateRegistry SLARegistry MonitoringManager Authorisation Advertisements System Planning and Optimisation Component (POC) Provisioning and Adjustment Component (PAC) Skeleton SLAM Maven Integration Conclusions References A Generic Platform for Conducting SLA Negotiations Edwin Yaqub, Philipp Wieder, Constantinos Kotsokalis, Valentina Mazza, Liliana Pasquale, Juan Lambea Rueda, Sergio García Gómez, and Augustín Escámez Chimeno 1 Introduction State of the Art Protocol Engine Design Protocol Description Related Work Design Bilateral Negotiations Negotiation Rationality Profiles Protocol Customisation Mechanism Business Take-Up of Negotiations Conclusion References Part V Management of the Business Layer Management of the Business SLAs for Services econtracting Sergio García Gómez, Juan Lambea Rueda, and Augustín Escámez Chimeno 1 Introduction Business SLA Management in Current e-contracting Proposals.. 210

6 xviii Contents 2.1 Information Negotiation and Offer Building Contracting Runtime An SLA-Aware e-contracting Proposal Comprehesive SLA-Aware e-contracting Suite Customisation of Business SLA Definitions Business SLA Post-Sale Management Business Layer Architecture Business Manager Business SLA Manager Modelling SLA Business Terms Business Terms Integration Future Work Conclusions References Part VI Management of the Software Layer Model-Driven Framework for Business Continuity Management Ulrich Winkler and Wasif Gilani 1 Introduction Business Continuity Management Related Work Model-Driven and Process-Centric BCM Framework Requirements Architecture Stakeholders Environment Workflow and Methodology Business Process Requirements Annotation IT BCM Model Derivation BEAM Derivation Alpha BEAM Beta BEAM Gamma BEAM Business Continuity Analysis Analysis Result Presentation Tracing Context-Sensitive Presentation Mode Document-Oriented Presentation Mode Conclusions and Outlook References

7 Contents xix Managing Composite Services Sam Guinea, Annapaola Marconi, Natalia Rasadka, and Paolo Zampognaro 1 Introduction The Health and Mobility Use Case Management Approach A Dynamic Orchestration Engine Dynamic Binding Process Restructuring Related Work Conclusions and Future Work References Part VII Management of the Infrastructure Layer SLA-Enabled Infrastructure Management John Kennedy, Andrew Edmonds, Victor Bayon, Pat Cheevers, Kuan Lu, Miha Stopar, and Damjan Murn 1 Introduction SLA-Aware Infrastructure Architecture Infrastructure SLA Manager Infrastructure SLA Manager Implementation Infrastructure Planning and Optimisation Infrastructure Provisioning and Adjustment Infrastructure Service Manager Open Cloud Computing Interface Infrastructure Service Manager Implementation Provisioning System Scheduler Re-provisioning Infrastructure Monitoring Conclusions References Part VIII Selected Business Use Cases Introduction to the SLA@SOI Industrial Use Cases Joe M. Butler 1 Introduction Considerations for Use Case Selection Use Case Key Elements The ERP Hosting Use Case Scenario Wolfgang Theilmann, Jens Happe, and Ulrich Winkler 1 Introduction Business Context...296

8 xx Contents 2.1 Roles Business Objectives Foundations Service Hierarchies for Business Applications Related Work SLA Management Architecture SLA Hierarchies SLA Terms and Translation Integrated planning Business Evaluation Improvements to enable dynamic service provisioning Improvements to increase efficiency and reduce costs Improvements to enhance transparency Conclusions References The Enterprise IT Use Case Scenario Michael Nolan and Joe M. Butler 1 Introduction Business Context Business Value Managing IT Like a Business The Provisioning Scenario The Runtime Scenario The Investment Governance Scenario Business Objectives Business Process Changes Integrating BLOs into the Digital SLA SLA Management Architecture Business Evaluation Improvements for IT Enabling the Enterprise Improvements to IT Efficiency Improvements to IT Investment and Technology Adoption326 5 Conclusions References The Service Aggregator Use Case Scenario Juan Lambea Rueda, Sergio García Gomez, Augustín Escamez Chimeno 1 Introduction Business Context Roles Business Objectives Foundations Service Aggregation Related Work SLA Management Architecture

9 Contents xxi 5 SLA Hierarchies SLA Terms Business Evaluation Improved Customer Satisfaction Improved Dependability Improved End-To-End Manageability Improved Decision-Making Improved Agility Improved Operational and Energy Efficiency Conclusions References The egovernment Use Case Scenario Giampaolo Armellin, Annamaria Chiasera, Ganna Frankova, Liliana Pasquale, Francesco Torelli, and Gabriele Zacco 1 Introduction Business Context Mobility and health care services Roles Business Objectives Use Case Scenarios SLA Management Architecture SLAs Evaluation: Practice and Experience Conclusions References

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