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Abstract: "A distributed security architecture is proposed for incorporation into group oriented distributed systems and, in particular, into the Isis distributed programming toolkit. The primary goal of the architecture is to preserve the Isis abstractions in hostile environments. These abstractions include process groups and causal and atomic group multicast. Moreover, a delegation and access control scheme is proposed for use in group oriented systems. The focus of the paper is the security architecture; particular security protocols and cryptosystems are not emphasized."
How to solve security issues and problems arising in distributed systems. Security is one of the leading concerns in developing dependable distributed systems of today, since the integration of different components in a distributed manner creates new security problems and issues. Service oriented architectures, the Web, grid computing and virtualization – form the backbone of today’s distributed systems. A lens to security issues in distributed systems is best provided via deeper exploration of security concerns and solutions in these technologies. Distributed Systems Security provides a holistic insight into current security issues, processes, and solutions, and maps out future directions in the context of today’s distributed systems. This insight is elucidated by modeling of modern day distributed systems using a four-tier logical model –host layer, infrastructure layer, application layer, and service layer (bottom to top). The authors provide an in-depth coverage of security threats and issues across these tiers. Additionally the authors describe the approaches required for efficient security engineering, alongside exploring how existing solutions can be leveraged or enhanced to proactively meet the dynamic needs of security for the next-generation distributed systems. The practical issues thereof are reinforced via practical case studies. Distributed Systems Security: Presents an overview of distributed systems security issues, including threats, trends, standards and solutions. Discusses threats and vulnerabilities in different layers namely the host, infrastructure, application, and service layer to provide a holistic and practical, contemporary view of enterprise architectures. Provides practical insights into developing current-day distributed systems security using realistic case studies. This book will be of invaluable interest to software engineers, developers, network professionals and technical/enterprise architects working in the field of distributed systems security. Managers and CIOs, researchers and advanced students will also find this book insightful.
This book describes the key concepts, principles and implementation options for creating high-assurance cloud computing solutions. The guide starts with a broad technical overview and basic introduction to cloud computing, looking at the overall architecture of the cloud, client systems, the modern Internet and cloud computing data centers. It then delves into the core challenges of showing how reliability and fault-tolerance can be abstracted, how the resulting questions can be solved, and how the solutions can be leveraged to create a wide range of practical cloud applications. The author’s style is practical, and the guide should be readily understandable without any special background. Concrete examples are often drawn from real-world settings to illustrate key insights. Appendices show how the most important reliability models can be formalized, describe the API of the Isis2 platform, and offer more than 80 problems at varying levels of difficulty.
Leading IT expert Harry Singh brings a wide range of new skills and technologies together in a remarkably practical guide to planning and implementing state-of-the-art distributed, Internet-based applications. Readers will learn how to choose the right technologies and integrate them seamlessly.
This book constitutes the refereed proceedings of the 7th IFIP WG 6.1 International Conference on Distributed Applications and Interoperable Systems, DAIS 2007, held in Paphos, Cyprus in June 2007. It covers current research in context-awareness, adaptation, mobility, distributed applications and peer-to-peer computing, all of which relate to the sustainability of distributed applications and integrated systems.
The breadth of coverage and the attention to real-world context make this authoritative book unique in its treatment of an extremely hot topic--the security of computers, computer networks, and the information that they handle. Summers presents security principles and techniques in a coherent framework, using case histories and examples to drive home important points.