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Chapter 2: Software-defined datacenter ............................................................................................... 9
Compute ...................................................................................................................................................................................... 9
Hyper-V ................................................................................................................................................................................... 9
VM groups .......................................................................................................................................................................... 12
True VM mobility .............................................................................................................................................................. 17
VM configuration version ............................................................................................................................................. 22
New configuration file format ..................................................................................................................................... 24
Production checkpoints ................................................................................................................................................. 25
Hot add and hot remove for network adapters and memory ....................................................................... 27
Failover cluster ....................................................................................................................................................................... 31

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Contents 
Creating a cloud witness by using Azure ................................................................................................................ 31
Shared VHDX improvements ....................................................................................................................................... 33
Improved cluster logs ..................................................................................................................................................... 35
Active memory dump ..................................................................................................................................................... 37
Network name diagnostics........................................................................................................................................... 38
Cluster operating system rolling upgrade ............................................................................................................. 39
Workgroup and multidomain clusters ..................................................................................................................... 45
SMB multichannel and multi-NIC cluster networks ........................................................................................... 45
VM improvements ........................................................................................................................................................... 46
Storage ...................................................................................................................................................................................... 46
Storage Replica ................................................................................................................................................................. 46
Scenarios ............................................................................................................................................................................. 49
Storage Replica in Windows Server 2016 ............................................................................................................... 53
Storage Spaces Direct ......................................................................................................................................................... 54
Implementation details .................................................................................................................................................. 56
Improved scalability ........................................................................................................................................................ 57
Storage Spaces Direct optimized pool .................................................................................................................... 58
Failure scenarios ............................................................................................................................................................... 58
Deduplication ......................................................................................................................................................................... 59
Storage Quality of Service ................................................................................................................................................. 61
Networking .............................................................................................................................................................................. 64
Network Controller .......................................................................................................................................................... 67
RAS Gateway multitenant BGP router ...................................................................................................................... 69
Software Load Balancing ............................................................................................................................................... 70
Datacenter firewall ........................................................................................................................................................... 71
Web Application Proxy .................................................................................................................................................. 72
Web Application Proxy troubleshooting ................................................................................................................ 83