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Grids and Service-Oriented Architectures for Service Level Agreements

of: Philipp Wieder, Ramin Yahyapour, Wolfgang Ziegler

Springer-Verlag, 2010

ISBN: 9781441973207 , 176 Pages

Format: PDF, Read online

Copy protection: DRM

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Price: 190,39 EUR



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Grids and Service-Oriented Architectures for Service Level Agreements


 

Contents

5

Foreword

7

Preface

8

Contributing Authors

11

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

15

1. Introduction

16

2. Related Works

17

3. Architecture

18

4. Benchmark Suite

19

5. Monitoring SLAs

21

6. Conclusion

23

References

25

REACTIVE MONITORING OF SERVICE LEVEL AGREEMENTS

26

1. Introduction

27

2. Preliminaries

28

2.1 Contract Signing Protocols

28

2.2 Aggregate Signatures

29

3. Service Evidential Protocol

29

4. Passive Monitoring Scheme

31

5. Reactive Monitoring Scheme

32

6. Conclusions

34

Acknowledgments

35

References

35

LESSONS LEARNED FROM IMPLEMENTING WS-AGREEMENT

36

1. Introduction

37

2. Related work

37

3. Protocol

38

4. Structure of Agreements

39

4.1 Context

39

4.2 Terms and States

39

5. Templates

42

6. Conclusion

44

Example SLA

44

Acknowledgments

47

References

47

SLA-AWARE RESOURCE MANAGEMENT

48

1. Introduction

49

1.1 Paper Organization

50

2. Architecture Overview

50

3. SLA Negotiation

51

4. Resource provisioning and re-provisioning

52

4.1 Live Migration

54

5. Monitoring

54

5.1 Monitoring Virtual Machines

55

6. Related Work

55

7. Conclusion and Future Work

56

Acknowledgments

56

References

56

DISTRIBUTED TRUST MANAGEMENT FOR VALIDATING SLA CHOREOGRAPHIES

58

1. Introduction

59

2. A Framework for Validation of Hierarchical SLA Aggregations

59

3. A PKI and Reputation-based Distributed Trust Model

62

3.1 Single Sign-On and Delegation

63

3.2 Reputation Transfer using Trust Reputation Center

63

4. Proposed Model via Use Case Scenario

65

5. Conclusion and Future Work

67

References

68

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

69

1. Introduction and Motivation

70

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

70

3. Requirements on Service Level Agreement Approaches

71

4. Analysis of Five Service Level Agreement Approaches

72

4.1 Actual State of the Art

72

4.2 Evaluation and Interpretation

73

5. An Insight into the developed Management System

74

6. Conclusion and Future Work

77

Acknowledgments

77

References

77

EXPRESSING INTERVALS IN AUTOMATED SERVICE NEGOTIATION

79

1. Introduction

80

2. Interval Semantics

81

3. Expressing intervals

83

4. Expressing intervals in WS Agreement

85

5. Conclusion

86

Acknowledgments

87

References

87

GREENIT SERVICE LEVEL AGREEMENTS

88

1. Introduction

89

1.1 Impact Factors

89

1.2 Service Level Agreements

92

2. GreenIT Metrics

93

3. GreenIT SLA Specifications

94

4. GreenIT Services

95

4.1 Thermal aware task scheduling service

95

4.2 Dynamic voltage frequency scheduling service

96

4.3 Integration services

96

4.4 Portal

96

5. Conlusion

97

Acknowledgments

97

References

98

EXTENDING WS-AGREEMENT WITH MULTI-ROUND NEGOTIATION CAPABILITY

100

1. Introduction

101

2. WS-Agreement Version 1.0

102

3. Use-Cases for negotiation

103

3.1 Co-allocation and Resource Reservation

103

3.2 Agreement on multiple QoS Parameters

104

3.3 Grid Scheduler interoperation

104

4. Protocol and messages for WS-Agreement-Negotiation

105

4.1 Initialisation of the negotiation process

105

4.2 Negotiation of the template

106

4.3 Post-processing of the templates

107

4.4 Negotiation Messages

107

5. Implementation of WS-Agreement-Negotiation in SmartLM

108

5.1 WS-Agreement Framework for Java (WSAG4J)

108

5.2 SLA and Negotiation Service

109

5.3 Creation of license agreement templates

110

5.4 Negotiation

110

5.5 Agreement creation

111

5.6 Agreement termination

112

6. Conclusions

112

Acknowledgments

113

References

113

ENABLING OPEN CLOUD MARKETS THROUGH WS-AGREEMENT EXTENSIONS

115

1. Introduction

116

2. State of the Art

116

2.1 WS-Agreement

116

2.2 Existing Commercial Cloud Offers

117

2.3 Open Cloud Market Enablers

118

2.4 Computing Resource Markets Research

118

3. Extending WS-Agreement

119

3.1 Diversity of Goods

119

3.2 Composition of the Service Level Contract

120

4. CRDL in Different Market Mechanisms

124

4.1 Posted Price

124

4.2 Negotiation Environment

124

4.3 Single Auction

124

4.4 Discussion of the Computing Resource Definition Language

125

5. Conclusion and Future Work

125

References

126

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

128

1. Introduction

129

2. Related Work

130

3. Adaptable, Versatile, and Dynamic services

131

3.1 Overview

131

3.2 Negotiation Bootstrapping and Service Mediation

133

4. Meta-Negotiations

133

4.1 Meta-Negotiation Scenario

134

4.2 Meta-Negotiation Document (MND)

134

5. SLA mappings

135

5.1 Management of SLA mappings

135

5.2 Scenario for SLA mappings

136

5.3 SLA mappings Document (SMD)

137

6. VieSLAF framework

137

7. Conclusion and Future Work

139

Acknowledgments

139

References

139

SLA NEGOTIATION FOR VO FORMATION

142

1. Introduction

143

2. VO Characteristics

144

3. Sealed Bid Auction for VO Formation

145

3.1 Sealed Bid Auction Service

145

3.2 Service Level Agreement (SLA)

146

4. Decision Making Strategies

148

4.1 A Provider’s SLA Evaluation and Generation

148

4.2 A VO Manager’s Evaluation of a Bid

149

5. Evaluation of the Auction for VO Formation

150

6. Conclusions

152

References

152

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

154

1. Introduction

155

2. Vision for Next Generation Distributed Computing: Service Economies

156

3. Research Goal and Requirements

158

4. Related Work

160

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

161

6. Conclusion and Future Work

163

References

164

SERVICE LEVEL AGREEMENTS IN BREIN

166

1. Introduction

167

2. Addressing SLAs

167

3. The SLA Schema

168

3.1 General Issues

168

3.2 Semantic Annotations

169

4. The BREIN Architecture

171

4.1 Creation

171

5. Conclusion

173

References

174

NEGOTIATION AND MONITORING OF SERVICE LEVEL AGREEMENTS*

175

1. Introduction

176

2. Background

177

3. Monitoring Violations in SLAs

178

3.1 Online Monitoring

179

3.2 Violations and Penalties

180

4. Negotiation of Penalties

181

4.1 Multiround Negotiation

182

4.2 Renegotiation

182

5. Discussion and Conclusion

183

Acknowledgments

183

References

183

Author Index

185