1. Master Mgt Scale Unit
StorageNetwork
Scale
Unit
NetworkScale
Unit
Compute
Scale Unit
Storage
Scale Unit
StorageNetwork
Scale
Unit
NetworkScale
Unit
Compute
Scale Unit
Storage
Scale Unit
StorageNetwork
Scale
Unit
NetworkScale
Unit
Compute
Scale Unit
Storage
Scale Unit
StorageNetwork
Scale
Unit
NetworkScale
Unit
Compute
Scale Unit
Storage
Scale Unit
DDC
Network
Switch
Scale
Unit
DDC I Service
Node Scale Unit
DDC II
Service Node
Scale unit
Broadcast Domain 0
DDC III Service
Node Scale Unit
DDC IV
Service Node
Scale unit
Broadcast Domain IVBroadcast Domain IIIBroadcast Domain IIBroadcast Domain I

2. Rack I
Mgt Broadcast Network II
Rack I
Mgt Broadcast Network I
Master Mgt Broadcast Subnet
DDC Service Node Scale Unit DDC Master Mgt Scale Unit
DCC Master Switch Scale
Unit
DCC Switch Scale Unit
DDC Application Net
DDC Hyper-V Mgt Net
CorpNet
Internet
DDC Service Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Service Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Master Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Master Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Master Mgt Net
DCC Compute Network Scale Unit
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Mgt Net
DDC Service Node Scale Unit
DCC Switch Scale Unit
DDC Service Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Service Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DCC Compute Network Scale Unit
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute SU Mgt Net
Rack I
Mgt Broadcast Network III
DDC Service Node Scale Unit
DCC Switch Scale Unit
DDC Service Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Service Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DCC Compute Network Scale Unit
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute Node Hardware Layer
PhyC III
Virtual Hyper-V SwitchVirtual Hyper-V Switch
Parent partition Child
Partition I
Child
Partition II
PhyC I
B
C
Hardware Mgt Control (Broadcom card)
vN vN vN
TCP/IP
App
TCP/IP
App
TCP/IP
App
PhyC II
Virtual Hyper-V SwitchVirtual Hyper-V Switch
DDC Compute SU Mgt Net
Internet
CorpNet
DDC Master Mgt
Switch
DDC Application Net (RED)
DDC Hyper-V Mgt Net (YELLOW)
Master Mgt Net (Purple)
Master Mgt Scale
Unit
DDC Service Node
Scale Unit
DDC Compute Mgt Net (Green)
DDC Service
Switch Scale Unit
II
DDC Service
Switch Scale Unit
DDC Service
Switch Scale Unit
III
Rack IIRack IIIRack IV
Larger View
Rack IIRack IIIRack IV
Larger View
Rack IIRack IIIRack IV
Larger View
Network Scale
Unit
(Rack Switch)
Network Scale
Unit
(Rack Switch)
Network Scale
Unit
(Rack Switch)

3. Master Mgt Node
RackSwitch
Compute
Scale Unit
DDC I Service
Node DDC II
Service Node
DDC
Master
Mgt
Switch
DDC Service Switch
RackSwitch
Compute
Scale Unit
RackSwitch
Compute
Scale Unit
RackSwitch
Compute
Scale Unit

4. Master Mgt Node
RackSwitch
Compute
Scale Unit
DDC I Service
Node DDC II
Service Node
DDC
Master
Mgt
Switch
DDC Service Switch
RackSwitch
Compute
Scale Unit
RackSwitch
Compute
Scale Unit
RackSwitch
Compute
Scale Unit
DDC Service Switch provides Application routing
across racks assigned to different DDC Service
Nodes
DDC
Master
Mgt
Switch
DDC Master Mgt Switches provide the ability to
scale to several Master Mgt Nodes to support
thousands of Service Nodes