We are very lucky to have Cisco with us as our main sponsor for TG13.
This year we are planning to implement the three-layer hierarchical design model (core, distribution, access), as illustrated in this picture;
We are also looking into the possibility to try out a little bit more wireless, since there has been a growing request about wireless the last years.
We'll get back to you with more info about the design, the wireless, the specifications and other snacks... in the meanwhile.. a little video for your wait:
Cisco Unified Data Center: A Path to the World of Many Clouds