: Research papers like " Modeling TTL-based Internet Caches " provide closed-form formulas to calculate hit rates as a function of the TTL period.
Do not use standard FBX import. Use the TTL Importer Plugin (available via the Angelita GitHub repository). This reads the custom metadata. angelita ttl models
If your inquiry is about data management, TTL is a policy used in DNS and web caches to determine how long a data item remains valid. : Research papers like " Modeling TTL-based Internet