DEFT: Distributed, Elastic, and Fault-Tolerant State Management of Network Functions - Shahriyar, Md Mahir; Saha, Gourab; Bhattacharjee, Bishwajit; Reaz, Rezwana (2023 19th International Conference on Network and Service Management (CNSM), Network and Service Management (CNSM), 2023 19th International Conference on, 2023)