A service which satisfies timing constraints imposed by the service user. The timing constraints are user specific and should be such that the user will not be adversely affected by delays within the constraints. [MSETT - Intro to Netwkng Pub 5]
Yinkonzo eyanelisa izinyanzelo ezenziwa ngumsebenzisi wenkonzo. Izinyanzelo zexesha zezabasebenzisi kuphela kwaye kumele ukuba umsebenzisi angalibaziseki zezi zithintelo. [MSETT - Intshayelelo yokunethwekhi ye-Pub 5]