Greetings all, Next week I'll be putting up a new folsom cluster (perhaps using these instructions: https://github.com/mseknibilel/OpenStack-Folsom-Install-guide). Presently, I don't have a box to devote to being a network node. Is it necessary? The clouds I've put up so far have just had controller and compute nodes? Is the network node required by quantum? Thanks much, JR