4. Resource Group Architecture : 4.4 vCloud Resource Sizing : 4.4.2 vCloud Maximums
   
4.4.2 vCloud Maximums
Scalability in vCloud infrastructures reflects the ability of the platform to manage increasing numbers of vCloud consumers and workloads with minimal impact on manageability, performance, and reliability. From the consumer’s perspective, scalability refers to the ability to consume infrastructure resources responsively, on demand.
When designing for scale, consider the maximums of the vCloud platform and the underlying vSphere platform. vCloud Director 5.1 requires vSphere 5.1 and has many platform improvements and enhancements. vCloud Director also introduces a number of features that can impact scalability, including fast provisioning, extensions, SQL Server support, third-party distributed switch integration, and UUIDs.
vCloud Director web console maximums are the primary constraint, followed by vSphere platform maximums. The choice of the vCloud Director database platform (Oracle or SQL Server) can result in slight performance differences.
The following table lists vCloud maximums based on a 10-cell configuration.
Table 7. vCloud Maximums
Constraint
Limit
Explanation
Virtual machines per vCloud Director
30000
Maximum number of virtual machines that can be resident in a vCloud instance.
Powered on per vCloud Director
10000
Number of concurrently powered on virtual machines permitted per vCloud instance.
Virtual machines per vApp
128
Maximum number of virtual machines that can reside in a single vApp.
Hosts per vCloud Director
2000
Number of hosts that can be managed by a single vCloud instance.
vCenter Servers per vCloud Director
25
Number of vCenter servers that can be managed by a single vCloud instance.
Users per vCloud Director
10000
Maximum number of users supported by a single vCloud instance.
Concurrent users per vCloud Director
1500
Maximum number of current uses that can be logged into a single vCloud instance.
Organizations per vCloud Director
10000
Maximum number of organizations that can be created in a single vCloud instance.
vApps per organization
3000
Maximum number of vApps that can be deployed in a single organization.
Virtual datacenters per vCloud Director
10000
Maximum number of virtual datacenters that can be created in a single vCloud instance.
Datastores per vCloud Director
1024
Number of datastores that can be managed by a single vCloud instance.
Networks per vCloud Director
10000
Maximum number of logical networks that can be deployed in a single vCloud instance.
Routed Networks per vCloud Director
2000
Maximum number of routed networks that can be deployed in a single vCloud instance.
Catalogs per vCloud Director
10000
Maximum number of catalogs that can be created in a single vCloud instance.
Media Items per vCloud Director
1000
Maximum number of media items that can be created in a single vCloud instance.
 
See Configuration Maximums for VMware vSphere 5.1 in the VMware vSphere Documentation (https://www.vmware.com/support/pubs/vsphere-esxi-vcenter-server-pubs.html), and the VMware Knowledge Base article, vCloud Director 5.1 Configuration Maximums (http://kb.vmware.com/kb/2036392), for more information on configuration maximums.