, the term hop count
has the following meanings:
1. In a data communications network, the number of legs traversed by a packet between its source and destination.
Note: Hop count may be used to determine the time-to-live for some packets.
2. The number of signal regenerating devices (such as repeaters, bridges, routers, and gateways) through which data must pass to reach their destination.
Source: from Federal Standard 1037C