Advances in Network Orchestration for Security, Scalability, and Sustainability
Engin Zeydan, Luis Blanco, Sadeep Batewela, Pasika Sashmal Ranaweera, Madhusanka Liyanage · 2025
This paper presents a comprehensive examination of orchestration technologies and emphasizes their importance for modern network management and IoT integration in Beyond 5G systems. After an introduction to orchestration and its taxonomy, we categorize orchestration into four key areas: Service Orchestration (SCO), Resource Orchestration (RO), Lifecycle Service Orchestration (LSO) and Security Orchestration (SO). Moreover, multi-domain orchestration details are provided in complex network environments. As a case study, we then focus on security orchestration in IoT for 5G technologies, reviewing existing methods and their effectiveness and highlighting gaps. Fundamental principles and technologies as well as current challenges and limitations in management and orchestration are analyzed, with particular attention to scalability, adaptability and security issues. The discussion concludes with an outlook on future research and development directions in the field of orchestration that address the new challenges in a rapidly changing technological landscape.