When temperatures rise to record levels, it’s not just trains and water supplies that go wrong; all sorts of infrastructure can be affected including the Internet. Normally our data centres have plenty of over-capacity in their air-conditioning systems. Cooling a data centre is one of their big design challenges – each of our 1 metre [...]
“So, do you use Cisco firewalls as well as routers?”, asks the client; “No, actually.” is our response. Why, you might ask? Surely if you are running over a thousand servers and managing hundreds of individual firewalls you must be using Cisco or some other branded “firewall appliance”? But why must we? What is so [...]
Power is becoming ever more of an issue for data centres, and the prices keep on going up – doubling in the last two years! Not only that, but the energy ends up as heat, which then has to be air-conditioned (add another 30% to the electricity bill), and then it all just wafts into [...]