|Network architecture||Transparent Layer 2 fabric; end-host connectivity
loop free and spanning tree-free design
|Management||Single point of management by primary top-of-rack G8264CS|
|Availability||Zero downtime; no maintenance window required for software upgrades|
|Resiliency||Sub 400 microsecond Layer 2 failover†
|Converged fabric||Multi-Hop Fibre Channel over Ethernet (FCoE) and FC uplink from point of delivery|
|Scalability||Up to nine Flex System chasssis, 252* compute nodes and 20 network devices (two G8264CS top-of-rack switches and 18 SI4093 switches)|
|Virtualization||VMready®, UFP support|
|Multi-tenant support||VLAN isolation, Q-in-Q|
|Traffic optimization||Local preference for unicast traffic|
|POD storage||Supports internal IBM Flex System V7000 or external storage|
|Solution components||IBM RackSwitch G8264CS
IBM Flex System SI4093 Interconnect Module
IBM Switch Center
* Based on double-dense Flex System x222 compute nodes with 7:1 oversubscription.
† Based on IBM internal testing.