Functional specs for 2 Burbank features - Inter-Vlan Routing (VPC) and Vm Tiers - are posted on the cloudStack wiki:
http://wiki.cloudstack.org/display/RelOps/Inter-VLAN+Routing+functional+spec http://wiki.cloudstack.org/display/RelOps/VM+Tiers+functional+spec This is the first draft, and some modifications will be done along the way. The documents include the links to related PRD docs. -Alena.