A customer needs an OpenStack-based cloud datacenter with several virtual machines that will be placed in multiple VLANs. The customer needs to use Virtual Extensible LAN (VXLAN) Or Generic Routing Encapsulation (GRE) technology to support multi-tenant traffic. The architect recommends the following HPE server equipment:
BladeSystem c7000 enclosure

Virtual Connect 20/40 F8 modules

BL460c Gen9 servers with FlexFabric 20Gb 2-port 650FLB Adapters

Which rationale supports the architect's recommended configuration?