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Resource Optimization and Security for Cloud Services : ISTE - Kaiqi Xiong

Resource Optimization and Security for Cloud Services



Published: 10th March 2014
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Published: 19th February 2014
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This book includes a study of trustworthiness, percentile response time, service availability, and authentication in the networks between users and cloud service providers, and at service stations or sites that may be owned by different service providers.
The first part of the book contains an analysis of percentile response time, which is one of the most important SLA (service level agreements) metrics. Effective and accurate numerical solutions for the calculation of the percentile response time in single-class and multi-class queueing networks are obtained. Then, the numerical solution is incorporated in a resource allocation problem. Specifically, the authors present an approach for the resource optimization that minimizes the total cost of computer resources required while preserving a given percentile of the response time.

In the second part, the approach is extended to consider trustworthiness, service availability, and the percentile of response time in Web services. These QoS metrics are clearly defined and their quantitative analysis provided. The authors then take into account these QoS metrics in a trust-based resource allocation problem in which a set of cloud computing resources is used by a service provider to host a typical Web services application for single-class customer services and multiple-class customer services respectively.

Finally, in the third part of the book a thorough performance evaluation of two notable public key cryptography-based authentication techniques − Public-Key Cross Realm Authentication in Kerberos (PKCROSS) and Public Key Utilizing Tickets for Application Servers (PKTAPP, a.k.a. KX.509/KCA) − is given, in terms of computational and communication times. The authors then demonstrate their performance difference using queuing networks. PKTAPP has been proposed to address the scalability issue of PKCROSS. However, their in-depth analysis of these two techniques shows that PKTAPP does not perform better than PKCROSS in a large-scale system. Thus, they propose a new public key cryptography-based group authentication technique. The performance analysis demonstrates that the new technique can scale better than PKCORSS and PKTAPP.

Preface ix

Chapter 1. Introduction 1

Chapter 2. Current Approaches for Resource Optimization and Security 13

Chapter 3. Single Class Customers 27

Chapter 4. Multiple-Class Customers 69

Chapter 5. A Trustworthy Service Model 95

Chapter 6. Performance Analysis of Public-Key Cryptography-Based Group Authentication 141

Chapter 7. Summary and Future Work 173

Bibliography 181

Index 193

ISBN: 9781848215993
ISBN-10: 1848215991
Series: ISTE
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 206
Published: 10th March 2014
Country of Publication: GB
Dimensions (cm): 24.08 x 16.26  x 2.08
Edition Number: 1