what do the silicon routers manage?

With the Cisco UCS Invicta distributed architecture, what do the silicon routers manage?

A.
The de-duplication

B.
The nodes

C.
The host connectivity

D.
The flash devices

Explanation:

http://www.cisco.com/c/en/us/products/collateral/servers-unifiedcomputing/ucs-invictaseries-solid-state-system/datasheet-c78-730753.html