An Under-the-Hood Guide to the Power of Xen Hypervisor Internals

The Definitive Guide to the Xen Hypervisor is a comprehensive handbook on the inner workings of XenSource’s powerful open source paravirtualization solution. From architecture to kernel internals, author David Chisnall exposes key code components and shows you how the technology works, providing the essential information you need to fully harness and exploit the Xen hypervisor to develop cost-effective, highperformance Linux and Windows virtual environments.

Granted exclusive access to the XenSource team, Chisnall lays down a solid framework with overviews of virtualization and the design philosophy behind the Xen hypervisor. Next, Chisnall takes you on an in-depth exploration of the hypervisor’s architecture, interfaces, device support, management tools, and internals—including key information for developers who want to optimize applications for virtual environments. He reveals the power and pitfalls of Xen in real-world examples and includes hands-on exercises, so you gain valuable experience as you learn.

This insightful resource gives you a detailed picture of how all the pieces of the Xen hypervisor fit and work together, setting you on the path to building and implementing a streamlined, cost-efficient virtual enterprise.

Coverge includes

• Understanding the Xen virtual architecture

• Using shared info pages, grant tables, and the memory management subsystem

• Interpreting Xen’s abstract device interfaces

• Configuring and managing device support, including event channels, monitoring with XenStore, supporting core devices, and adding new device types

• Navigating the inner workings of the Xen API and userspace tools

• Coordinating virtual machines with the Scheduler Interface and API, and adding a new scheduler

• Securing near-native speed on guest machines using HVM

• Planning for future needs, including porting, power management, new devices, and unusual architectures

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The challenge to present-day IP networks comes from advanced realtime services such as streaming and voice/video conferencing, which are demanding applications from the viewpoint of network technology. This book addresses the service quality support technologies needed to deliver different types of content over IP network.

The approach of this book could perhaps be best described as a system level solution viewpoint, not going very deep into individual technologies while attempting to provide an overview of the relevant technologies. This book represents the author’s attempt to best capture the multi-faceted area of service quality in IP environment of today.

TABLE OF CONTENT:
Chapter 01 - Drivers for the Adoption of Multi-service Networks
Chapter 02 - Service Quality Requirements
Chapter 03 - Network Mechanisms for Multi-service Quality Support
Chapter 04 - Traffic Engineering for Multi-service IP Networks
Chapter 05 - Mapping Service Requirements to Network Resources
Chapter 06 - Service Level Management Techniques
Chapter 07 - Measurements
Chapter 08 - Mechanisms for Dynamic Service Quality Control
Chapter 09 - Case Study: Service Quality Support in an IP-based Cellular RAN
Chapter 10 - Conclusion

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