Partie

Ressource

Hyper-V (2008 R2)

Hyper-v (2012)

Coefficient

d'amélioration

Host

Processeurs logiques (Cores)

64

320

5x

RAM Physique

1 TB

4 TB

4x

Processeurs virtuels par Hôte

512

2048

4x

VM

Processeurs virtuels par VM

4

64

16x

RAM par VM

64 GB

1 TB

16x

VMs par Hôte

384

1024

2,7x

Compatibilité NUMA

No

Yes

-

Cluster

Nombre de Nœuds

16

64

4x

Nombre de VMs

1000

4000

4x

Partie

Ressource

Hyper-V (2012)

XenServer 6

vSphere 5.0

vSphere Ent + 5.0

Host

Logical Processors (Cores)

320

160

160

160

Physical Memory

4 TB

1 TB

32 GB

2 TB

Virtual CPUs per Host

2048

N/A

2048

2048

VM

Virtual CPUs per VM

64

16

8

32

Memory per VM

1 TB

128 GB

32 GB

1 TB

Active VMs per Host

1024

50-130

512

512

Guest NUMA *

http://technet.microsoft.com/en-us/magazine/hh709739.aspx

Yes

Host Only

Yes

Yes

Cluster

Maximum Nodes

64

16

N/A

32

Maximum VMs per Cluster

4000

800-960

N/A

3000

Nodes per Cluster

64

16

N/A

32

Max Size Guest Cluster (iSCSI)

64 Nodes

N/A

0

0

Max Size Guest Cluster (Fibre)

64 Nodes

No

2

2

Max Size Guest Cluster (File Based)

64 Nodes

N/A

0

0

Guest Clustering with Live Migration

Yes

N/A

N/A

No

Guest Clustering with Dynamic Memory support

Yes

N/A

No

No

Storage

Virtual Fibre Channel

Yes

No

Yes

Yes

3rd Party Multipathing (MPIO)

Yes

Yes (manual)

No

Yes (VAMP)

API to support multi-pathing of storage and I/O networking paths between servers (VMs and PMs) and storage systems

http://www.virtualizationpractice.com/why-vasa-is-important-to-have-in-your-vmware-casa-12695/

Native 4-KB Disk Support

Yes

N/A

N/A

N/A

Maximum Virtual Disk Size

64 TB VHDX

2 TB

2TB VMDK

2 TB VMDK

Maximum Pass Through Disk Size

Varies

15 TB

64 TB

64 TB

Offloaded Data Transfer

Yes

No

No

Yes (VAAI)

APIs which if supported by a block or NAS array (e.g. storage system) can offload different functions from the vSphere hypervisor and virtual machine (VM).

http://www.virtualizationpractice.com/why-vasa-is-important-to-have-in-your-vmware-casa-12695/

Dynamic Virtual Machine Queue

Yes

VMq

Netqueue

Netqueue

IPsec Task Offload

Yes

No

No

No

SR-IOV

Yes

Yes

DirectPath I/O

DirectPath I/O

Storage Encryption

Yes

No

No

No

Network

Extensible Switch

Yes

Yes

No

Replaceable

Confirmed Partner Extensions

4

N/A

No

2

Private Virtual LAN (PVLAN)

Yes

No

No

Yes

ARP/ND Spoofing Protection

Yes

No

No

vShiel App/partner

DHCP Snooping Protection

Yes

No

No

vShiel App/partner

Virtual Port ACLs

Yes

Yes

No

vShiel App/partner

Trunk Mode to Virtual Machines

Yes

No

No

No

Port Monitoring

Yes

Yes

Per Port Group

Yes

Port Mirroring

Yes

Yes

Per Port Group

Yes

Live Migration

VM Live Migration

Yes

Yes

No

Yes

1GB Simultaneous Live Migrations

Unlimited

N/A

N/A

4

10GB Simultaneous Live Migrations

Unlimited

N/A

N/A

8

Live Storage Migration

Yes

No

No

Yes

Shared Nothing Live Migration

Yes

No

No

No

Network Virtualization

Yes

No

No

Partner

Autre

Incremental Backups

Yes

Yes

No

Yes

Inbox VM Replication

Yes

No

No

No

NIC Teaming

Yes

Yes

Yes

Yes

Integrated High Availability

Yes

Yes

No

Yes

Guest OS Application Monitoring

Yes

No

N/A

No

Failover Prioritization

Yes

Yes

N/A

Yes

Affinity & Anti-Affinity Rules

Yes

No

N/A

Yes

Cluster-Aware Updating

Yes

Yes

N/A

Yes