The Consolidated SDDC is implemented in a single rack only.
Figure 1. Cluster Architecture for the Consolidated SDDC

SDDC Workload Domain Architecture

Table 1. Design Decisions on Clusters and Racks

Decision ID

Design Decision

Design Justification

Design Implication


Place the consolidated cluster in the same rack.

The initial number of required hosts for the consolidated cluster (4 ESXi hosts) is low.

You provide on-ramp and off-ramp connectivity to physical networks (for example, north-south Layer 3 routing on NSX Edge virtual appliances) to both the management and tenant workloads by using this rack.

Edge resources require external connectivity to physical network devices.

The data center must have sufficient power and cooling to operate the server equipment according to the selected vendor and products.


Allocate one or more racks to secondary storage.

To simplify the scale-out of the SDDC infrastructure, standardize the storage-to-racks relationship.

The storage system might arrive from the manufacturer in a dedicated rack or set of racks. In this way, a storage system of this type is accommodated for in the design.

The data center must have sufficient power and cooling to operate the storage equipment according to the selected vendor and products.


Use two separate power feeds for each rack.

Redundant power feeds increase availability by ensuring that failure of a power feed does not bring down all equipment in a rack. Combined with redundant network connections to a rack and in a rack, redundant power feeds prevent a failure of the equipment in an entire rack.

All equipment used must support two separate power feeds. The equipment must keep running if one power feed fails.


Deploy a full-featured SDDC with a minimal management footprint and moderate workload capacity.

The entry point for an SDDC is smaller. Customers with lower workload capacity can use the benefits of the SDDC.

Growth past the workload capacity of the Consolidated SDDC requires a migration to the full VMware Validated Design for Software-Defined Data Center.