Hi Mark - below are a couple of docs you might find helpful.  BYOD RFP Questions and Answers (Updated for BYOD CVD 2.2).  This outlines system components and design considerations from  device/endpoints, policy, security/auth, infrastructure, and man...

Hello - Cisco addresses this with Data Center Interconnect solutions that provide the ability to extend VLANs and Subnets onto any number of other Data Centers without the burden of L2 bridging technology (aka STP). You may want to read the followin...