Beyond

Virtualization

Windows Server 2012 offers a

dynamic, multi-tenant

infrastructure that goes beyond

virtualization to provide

maximum flexibility for

delivering and connecting to

cloud services.

Modern Workstyle,

Enabled

Windows Server 2012 empowers IT

to provide users with flexible

access to data and applications

from virtually anywhere on any

device with a rich user experience,

while simplifying management and

helping maintain security, control

and compliance.

The Power of Many

Servers, the

Simplicity of One

Windows Server 2012 offers

excellent economics by

integrating a highly available

and easy to manage multi-

server platform with

breakthrough efficiency and

ubiquitous automation.

Every App,

Any Cloud

Windows Server 212 is a broad,

scalable and elastic server

platform that gives you the

flexibility to build and deploy

applications and websites on-

premises, in the cloud and in a

hybrid environment, using a

consistent set of tools and

frameworks.

Hyper-V Hyper-V Hyper-V Hyper-V Hyper-V Hyper-V

File

Server

File

Server

Shared

Storage

Hyper-V

SQL

Server

IIS

VDI

Desktop

Hyper-V

SQL

Server

IIS

VDI

Desktop

Hyper-V

SQL

Server

IIS

VDI

Desktop

File Client File Server

SMB Server SMB Client

User

Kernel

Application

Disk

R-NIC

Network w/

RDMA support

NTFS

SCSI Network w/

RDMA support

R-NIC

File Server

SMB Direct

1. Application (Hyper-V, SQL Server) does not need to change.

2. SMB client makes the decision to use SMB Direct at run time

3. NDKPI provides a much thinner layer than TCP/IP

4. Remote Direct Memory Access performed by the network interfaces.

Client

Application

NIC

RDMA

NIC

TCP/ IP

User

Kernel

SMB Direct

Ethernet and/or

InfiniBand

TCP/ IP

Unchanged API

SMB Server SMB Client

Memory Memory

NDKPI NDKPI

RDMA

NIC NIC

RDMA 1

2

3

4 1

2

3

4

Single

Server

Fusion IO Fusion IO Fusion IO Fusion IO

IO Micro

Benchmark

SMB

Client

SMB

Server

Fusion IO Fusion IO Fusion IO Fusion IO

IO Micro

Benchmark

10 GbE

10GbE

SMB

Client

SMB

Server

Fusion IO Fusion IO Fusion IO Fusion IO

IO Micro

Benchmark

IB FDR

IB FDR

SMB

Client

SMB

Server

Fusion IO Fusion IO Fusion IO Fusion IO

IO Micro

Benchmark

IB QDR

IB QDR

Configuration BW MB/sec

IOPS 512KB IOs/sec

%CPU Privileged

Non-RDMA (Ethernet, 10Gbps) 1,129 2,259 ~9.8

RDMA (InfiniBand QDR, 32Gbps) 3,754 7,508 ~3.5

RDMA (InfiniBand FDR, 54Gbps) 5,792 11,565 ~4.8

Local 5,808 11,616 ~6.6

Configuration BW MB/sec

IOPS 8KB IOs/sec

%CPU Privileged

Non-RDMA (Ethernet, 10Gbps) 571 73,160 ~21.0

RDMA (InfiniBand QDR, 32Gbps) 2,620 335,446 ~85.9

RDMA (InfiniBand FDR, 54Gbps) 2,683 343,388 ~84.7

Local 4,103 525,225 ~90.4