Journal
ENGINEERING REPORTS
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1002/eng2.12801
Keywords
controller load balancing; ISP/Telco; Latency; MCPP; SDN
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The successful deployment of Software-Defined Networking in data center networking has paved the way for its implementation in ISP/Telco networks, with small and medium-sized networks easily adopting SDN. Research on SDN deployment for large-scale networks is ongoing.
With the successful implementation of Software-Defined Networking (SDN) in data center networking, the way forward for its deployment in the ISP/Telco network is becoming prominent. Small and medium-sized networks may easily adopt SDN. The research on SDN deployment and implementation for a large-scale network is continuing. This paper properly presents the current research status of Controller Placement Problem (CPP) and Multi-CPP (MCPP) over SDN with their specific challenges and provides a comprehensive review of the major performance metrics, that is, latency, and controller load balancing techniques. This survey highlights the use of network partitioning-based CPP and clustering approaches and their benefits in the context of SDN deployment. Moreover, this paper highlights the importance of implementing SDN and SDN security issues into ISP/Telco networks. Finally, we provide some key areas of ongoing research and discuss the future research direction regarding the various SDN-based Controller Placement (CP) issues in the next-generation IP and advanced networking technologies. With the successful implementation of Software-Defined Network in the data center networking, the way forward for its deployment in the ISP/Telcos network is becoming prominent.image
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