Grids and Service-Oriented Architectures for Service Level Agreements

Contents

Foreword

Preface

Contributing Authors

MONITORING SERVICE LEVEL AGREEMENTS IN GRIDS WITH SUPPORT OF A GRID BENCHMARKING SERVICE

1. Introduction

2. Related Works

3. Architecture

4. Benchmark Suite

5. Monitoring SLAs

6. Conclusion

References

REACTIVE MONITORING OF SERVICE LEVEL AGREEMENTS

1. Introduction

2. Preliminaries

2.1 Contract Signing Protocols

2.2 Aggregate Signatures

3. Service Evidential Protocol

4. Passive Monitoring Scheme

5. Reactive Monitoring Scheme

6. Conclusions

Acknowledgments

References

LESSONS LEARNED FROM IMPLEMENTING WS-AGREEMENT

1. Introduction

2. Related work

3. Protocol

4. Structure of Agreements

4.1 Context

4.2 Terms and States

5. Templates

6. Conclusion

Example SLA

Acknowledgments

References

SLA-AWARE RESOURCE MANAGEMENT

1. Introduction

1.1 Paper Organization

2. Architecture Overview

3. SLA Negotiation

4. Resource provisioning and re-provisioning

4.1 Live Migration

5. Monitoring

5.1 Monitoring Virtual Machines

6. Related Work

7. Conclusion and Future Work

Acknowledgments

References

DISTRIBUTED TRUST MANAGEMENT FOR VALIDATING SLA CHOREOGRAPHIES

1. Introduction

2. A Framework for Validation of Hierarchical SLA Aggregations

3. A PKI and Reputation-based Distributed Trust Model

3.1 Single Sign-On and Delegation

3.2 Reputation Transfer using Trust Reputation Center

4. Proposed Model via Use Case Scenario

5. Conclusion and Future Work

References

EVALUATION OF SERVICE LEVEL AGREEMENT APPROACHES FOR PORTFOLIO MANAGEMENT IN THE FINANCIAL INDUSTRY

1. Introduction and Motivation

2. Portfolio Management as Use Case taken from the Financial Industry

3. Requirements on Service Level Agreement Approaches

4. Analysis of Five Service Level Agreement Approaches

4.1 Actual State of the Art

4.2 Evaluation and Interpretation

5. An Insight into the developed Management System

6. Conclusion and Future Work

Acknowledgments

References

EXPRESSING INTERVALS IN AUTOMATED SERVICE NEGOTIATION

1. Introduction

2. Interval Semantics

3. Expressing intervals

4. Expressing intervals in WS Agreement

5. Conclusion

Acknowledgments

References

GREENIT SERVICE LEVEL AGREEMENTS

1. Introduction

1.1 Impact Factors

1.2 Service Level Agreements

2. GreenIT Metrics

3. GreenIT SLA Specifications

4. GreenIT Services

4.1 Thermal aware task scheduling service

4.2 Dynamic voltage frequency scheduling service

4.3 Integration services

4.4 Portal

5. Conlusion

Acknowledgments

References

EXTENDING WS-AGREEMENT WITH MULTI-ROUND NEGOTIATION CAPABILITY

1. Introduction

2. WS-Agreement Version 1.0

3. Use-Cases for negotiation

3.1 Co-allocation and Resource Reservation

3.2 Agreement on multiple QoS Parameters

3.3 Grid Scheduler interoperation

4. Protocol and messages for WS-Agreement-Negotiation

4.1 Initialisation of the negotiation process

4.2 Negotiation of the template

4.3 Post-processing of the templates

4.4 Negotiation Messages

5. Implementation of WS-Agreement-Negotiation in SmartLM

5.1 WS-Agreement Framework for Java (WSAG4J)

5.2 SLA and Negotiation Service

5.3 Creation of license agreement templates

5.4 Negotiation

5.5 Agreement creation

5.6 Agreement termination

6. Conclusions

Acknowledgments

References

ENABLING OPEN CLOUD MARKETS THROUGH WS-AGREEMENT EXTENSIONS

1. Introduction

2. State of the Art

2.1 WS-Agreement

2.2 Existing Commercial Cloud Offers

2.3 Open Cloud Market Enablers

2.4 Computing Resource Markets Research

3. Extending WS-Agreement

3.1 Diversity of Goods

3.2 Composition of the Service Level Contract

4. CRDL in Different Market Mechanisms

4.1 Posted Price

4.2 Negotiation Environment

4.3 Single Auction

4.4 Discussion of the Computing Resource Definition Language

5. Conclusion and Future Work

References

SERVICE MEDIATION AND NEGOTIATION BOOTSTRAPPING AS FIRST ACHIEVEMENTS TOWARDS SELF-ADAPTABLE CLOUD SERVICES

1. Introduction

2. Related Work

3. Adaptable, Versatile, and Dynamic services

3.1 Overview

3.2 Negotiation Bootstrapping and Service Mediation

4. Meta-Negotiations

4.1 Meta-Negotiation Scenario

4.2 Meta-Negotiation Document (MND)

5. SLA mappings

5.1 Management of SLA mappings

5.2 Scenario for SLA mappings

5.3 SLA mappings Document (SMD)

6. VieSLAF framework

7. Conclusion and Future Work

Acknowledgments

References

SLA NEGOTIATION FOR VO FORMATION

1. Introduction

2. VO Characteristics

3. Sealed Bid Auction for VO Formation

3.1 Sealed Bid Auction Service

3.2 Service Level Agreement (SLA)

4. Decision Making Strategies

4.1 A Provider’s SLA Evaluation and Generation

4.2 A VO Manager’s Evaluation of a Bid

5. Evaluation of the Auction for VO Formation

6. Conclusions

References

FROM SERVICE MARKETS TO SERVICE ECONOMIES – AN INFRASTRUCTURE FOR PROTOCOL-GENERIC SLA NEGOTIATIONS

1. Introduction

2. Vision for Next Generation Distributed Computing: Service Economies

3. Research Goal and Requirements

4. Related Work

5. Design Proposal for a protocol-generic SLA Discovery and Negotiation Infrastructure

6. Conclusion and Future Work

References

SERVICE LEVEL AGREEMENTS IN BREIN

1. Introduction

2. Addressing SLAs

3. The SLA Schema

3.1 General Issues

3.2 Semantic Annotations

4. The BREIN Architecture

4.1 Creation

5. Conclusion

References

NEGOTIATION AND MONITORING OF SERVICE LEVEL AGREEMENTS*

1. Introduction

2. Background

3. Monitoring Violations in SLAs

3.1 Online Monitoring

3.2 Violations and Penalties

4. Negotiation of Penalties

4.1 Multiround Negotiation

4.2 Renegotiation

5. Discussion and Conclusion

Acknowledgments

References

Author Index