Adjustable Two-Tier Cache for IPTV Based on Segmented Streaming

Table 2

Terms used by the algorithm to determine the cache size.

Term	Definition
𝐶L1+L2	Entire cache size
𝐶L1_current_size	Current size of cache L1
𝐶L1_new_size	New size of cache L1
𝐶L2_current_size	Current size of cache L2
𝐶L2_new_size	New size of cache L2
𝐶viewing	Size of playing segments
L1_Cache_Ratiomax	Maximum ratio of size of cache L1 to entire cache size
Ratioviewing	Ratio of playing segments to entire cache size