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Microsoft Hyper-V Cluster Design

You're reading from   Microsoft Hyper-V Cluster Design To achieve a Windows Server system that virtually takes care of itself, you need to master Hyper-V cluster design. This book is the perfect tutorial on the subject, providing clear instruction on expanding into the virtualized environment.

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Product type Paperback
Published in Oct 2013
Publisher
ISBN-13 9781782177685
Length 462 pages
Edition 1st Edition
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Author (1):
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Eric Siron Eric Siron
Author Profile Icon Eric Siron
Eric Siron
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Toc

Table of Contents (14) Chapters Close

Preface 1. Hyper-V Cluster Orientation FREE CHAPTER 2. Cluster Design and Planning 3. Constructing a Hyper-V Server Cluster 4. Storage Design 5. Network Design 6. Network Traffic Shaping and Performance Enhancements 7. Memory Planning and Management 8. Performance Testing and Load Balancing 9. Special Cases 10. Maintaining and Monitoring a Hyper-V Server Cluster 11. High Availability 12. Backup and Disaster Recovery Index

Migrations


One way that Hyper-V Server offers high availability is through its Live Migration feature. This technology allows a running virtual machine to transfer from one physical host to another without incurring downtime. There is a brief interruption as the logical network components make the transition and MAC addresses are relocated on switching hardware, but the transfer occurs within the standard TCP timeout window. Any lost TCP packets will be retransmitted, while any lost UDP packets will be simply lost as UDP is not a guaranteed lossless protocol. Other protocols will behave according to their design; ICMP packets (such as ping), will also be lost as ICMP's purpose is to check for network issues. For some applications, such as real-time voice communications (for example, Microsoft Lync Server), this can cause an interruption of service. For most, it does not affect availability in a way that would count as downtime in an SLA. Therefore, Live Migration contributes to high availability...

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