Table 2: Experiment parameters.

Parameter Definition Value

Duration of time 7
Initial number of old views 5000
Number of videos updated per time slot 10
Threshold for medium level 50
Threshold for hot level 500
Number of replication locations in cold level 4
Number of replication locations in medium level 12
Number of replication locations in hot level 34
Geographic locality indicator in medium level 2
Geographic locality indicator in hot level 2