I presume the topic is UTM appliances (as Meraki and Sophos have many products) Any physical site connected to the Internet needs some kind of a firewall, yes? That firewall should be at the site (if it is "in the cloud" you lose performance/time/bandwidth, and you still…

I have not used Barracuda NG. I would stick with a Fortinet or - depending on the budget and what quotes you get - with a WatchGuard or Sophos (it may also depend on previous experience) I have started my comparison from the Gartner Magic Quadrant for Unified Threat…