This description encourages people to be reliable in their actions and words. Being reliable means that you can be trusted to do what you say you will do and to follow through on commitments. It also means that you are dependable and consistent in your behavior. Being reliable is an important quality to have
From Wikipedia
The Reliable Data Protocol (RDP) is a network transport protocol defined in RFC 908 and was updated in RFC 1151. It is meant to provide facilities for remote loading, debugging and bulk transfer of images and data.