Our main customer base is superyachts, and they have the Kerio for traffic rules and bandwidth management of the various networks on board. They can optimize traffic for crew versus owners and guests, the VIPs that might be on board. They also use it for bandwidth sharing. They usually have a mixture of the VSAT satellite internet and 4G internet access. Sometimes they have WiFi, for example if they connect to a WiFi hotspot in a marina, as well as shoreline or fixed DSL. They use it to manipulate the internet traffic, so they can say the crew uses the slower VSAT and the guest gets the fast 4G or shoreline.
They also use it to see what's going on. If the boss complains that the internet's slow, they can quickly see if someone is downloading a load of updates or streaming Netflix and they can block them. They just want to have control, as the product name suggests, over the internet traffic.
In-house, we use the NG300, but because we are a partner, we use various hardware platforms. At the moment it's nearly all the NG series, the 100, 200, and 500. The most common that we use is the NG500. I'm interested in using the next-generation, which is due out in the next couple of months, but I've also used the virtual Kerio platform on a VMware hypervisor.
There's a virtual appliance, but also software installed on a Windows PC. We build our own virtual "guest" on a host, we've done a couple of those, and then attached it to a switch with VLANs, so we've covered all platforms.
We have these Kerios on anything from a 30-meter Sunseeker, with five or six crew members, four guest cabins, and a couple of master cabins, or a master and a VIP. They might have 20 guests so there would be a total of about 30 users and some 50 devices for those users. There is also all the AV equipment. And we've gone right up to a 120-meter superyacht, with 50 to 100 crew and space for about 200 guests. We've also got a couple of ski chalets, and a private island in Ibiza. A few hundred users is its top end, but as far as network-connected endpoints go, it could be in the few thousands of devices.