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Virual Oral Question and Answer
IEEE/ICACT20260124 Question.4
Questioner: gonghao23@mails.ucas.ac.cn    2026-02-23 오후 11:18:49 		IEEE/ICACT20260124 Answer.4
Answer by Auhor abdelhadi.belfadel@irt-systemx.fr   2026-02-23 오후 11:18:49
The current implementation relies exclusively on Role-Based Access Control (RBAC) for policy evaluation, which the authors acknowledge as sufficient for distinguishing user profiles in the proof-of-concept. Given the dynamic and context-sensitive nature of industrial DT environments — where device posture, real-time operational state, and cross-domain IT/OT interactions vary continuously — to what extent is RBAC alone adequate, and what would be the architectural implications of transitioning toward Attribute-Based Access Control (ABAC) or context-aware policies within the same Keycloak-based ZTA framework?

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