# Challenges and Solution Directions of Microservice Architectures: A Systematic Literature Review
## Appendix A List of Primary Studies
25-30, May 2021, doi:10.1109/CLOUDINTELLIGENCE52565.2021.00014._
* _[PERSON]. [PERSON], [PERSON], and [PERSON], \"Microservices Orchestration vs. Choreography: A Decision Framework,\" pp. 134-141, Dec. 2021, doi:10.1109/EDOC52215.2021.00024._
* _BQ. [PERSON], [PERSON], [PERSON], [PERSON], and [PERSON], \"MFRL-CA: Microservice Fault Root Cause Location based on Correlation Analysis,\" pp. 90-101, Dec. 2021, doi:10.1109/DSA52907.2021.00018._
* _BR. [PERSON], [PERSON], [PERSON], [PERSON], and [PERSON], \"ModelCoder: A Fault Model based Automatic Root Cause Localization Framework for Microservice Systems,\" 2021 IEEE/ACM 29 th International Symposium on Quality of Service, IWQQS 2021, Jun. 2021, doi:10.1109/IWQQS52092.2021.9521318._
* _[PERSON], [PERSON], [PERSON], and [PERSON], \"Microservice Anomaly Detection Based on Tracing Data Using Semi-supervised Learning,\" 2021 4 th International Conference on Artificial Intelligence and Big Data, ICAIBD 2021, pp. 38-44, May 2021, doi:10.1109/ICAIBD51990.2021.9459100._
* _[PERSON] and [PERSON], \"HT-RBAC: A Design of Role-based Access Control Model for Microservice Security Manager,\" pp. 177-181, Dec. 2021, doi:10.1109/BDE52938.2021.00038._
* _[PERSON] et al. (2021)_ _[PERSON] et al., \"MicroHECL: High-efficient root cause localization in large-scale microservice systems,\" Proceedings--International Conference on Software Engineering, pp. 338-347, May 2021, doi:10.1109/ICSE-SEIP52600.2021.00043._* _[PERSON], [PERSON], and [PERSON], \"T-Rank: A lightweight spectrum based fault localization approach for microservice systems,\" Proceedings--21 st IEEE/ACM International Symposium on Cluster, Cloud and Internet Computing, CCGrid 2021, pp. 416-425, May 2021, doi:10.1109/CCGRID51090.2021.00051. * _[PERSON], [PERSON], and [PERSON], \"_E_lastic scheduling for microservice applications in clouds,\" IEEE Transactions on Parallel and Distributed Systems, vol. 32, no. 1, pp. 98-115, Jan. 2021, doi:10.1109/TPDS.2020.3011979. * _[PERSON], [PERSON], [PERSON], [PERSON], [PERSON], and [PERSON], \"Exploring layered container structure for cost efficient microservice deployment,\" Proceedings--IEEE INFOCOM, vol. 2021-May, May 2021, doi:10.1109/INFOCOM42981.2021.9488918. * _[PERSON] et al., \"SuanMing: Explainable Prediction of Performance Degradations in Microservice Applications,\" ICPE 2021--Proceedings of the ACM/SPEC International Conference on Performance Engineering, pp. 165-176, Apr. 2021, doi:10.1145/3427921.3450248. * _[PERSON], [PERSON], [PERSON], and [PERSON], \"pHPA: A Proactive Autoscaling Framework for Microservice Chain,\" 5 th Asia-Pacific Workshop on Networking (APNet 2021), vol. 7, pp. 65-71, Jun. 2021, doi:10.1145/3469393.3469401. * _CA._[PERSON], [PERSON], [PERSON], and [PERSON], \"Intelligent flow control algorithm for microservice system,\" Cognitive Computation and Systems, vol. 3, no. 3, pp. 276-285, Sep. 2021, doi:10.1049/CCS.2.12013. * _CB._[PERSON] and [PERSON], \"Nature-inspired resource management and dynamic rescheduling of microservices in Cloud datacenters,\" Concurrency and Computation: Practice and Experience, vol. 33, no. 17, p. e6290, Sep. 2021, doi:10.1002/CPE.6290. * _CC._[PERSON], [PERSON], [PERSON], [PERSON], [PERSON], and [PERSON], \"A multi-model based microservices identification approach,\" Journal of Systems Architecture, vol. 118, p. 102200, Sep. 2021, doi:10.1016/J.SYSARC.2021.102200. * _CD._[PERSON]. [PERSON], [PERSON], [PERSON], and [PERSON], \"A Kubernetes controller for managing the availability of elastic microservice based stateful applications,\" Journal of Systems and Software, vol. 175, p. 110924, May 2021, doi:10.1016/J.ISS.2021.110924. * _CE._[PERSON], [PERSON], [PERSON], and [PERSON], \"Detecting anomalies in microservices with execution trace comparison,\" Future Generation Computer Systems, vol. 116, pp. 291-301, Mar. 2021, doi:10.1016/J.FUTURE.2020.10.040.