D

Dynamic Destination Display

Each journey on a bus services has a final destination but in some contexts that information is not useful to users. For example with circular routes, both inbound and outbound journeys may be headed towards a bus station. This isn’t very useful to someone currently at the bus station. Instead of always showing the final …

DDOS (Distributed denial-of-service)

An attempt to disrupt normal traffic of a targeted server, service or network by overwhelming the target or its surrounding infrastructure with a flood of Internet traffic.

Downtime & Uptime

Downtime and uptime describe how long a website, computer or other system has been working (uptime) or not working (downtime).

DNS (Domain Name System)

The Domain Name System is the phonebook of the internet. Each device connected to the internet has a unique IP address which other machines use to find the device. DNS servers eliminate the need for us to memorise IP addresses such as 192.168.123.1