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A survey on software defined networking: architecture for next generation network
Singh S., Jha R. Journal of Network and Systems Management25 (2):321-374,2017.Type:Article
Date Reviewed: Jan 16 2018

Over the years, data communication networks have seen a constant rise in network traffic, and this trend is expected to continue eternally. This constant increase of network traffic calls for new technologies capable of facing this ever-increasing growth of network traffic and need for network resources. A software-defined network (SDN) is one such technology that allows for the smart handling of network traffic and its resources through programmable network controllers. This technology is different from conventional networks, as the network characteristics can be configured dynamically based on changing network conditions.

SDN has gained wide acceptance as the contemporary technology to establish and manage networks. Many open standards are being developed to support SDN. This has created numerous avenues for researchers and scientists working in the field. This research paper presents an exhaustive survey on SDN technology, the historical evolution of SDN, and existing SDN architectures, standards, and protocols. The authors also present their proposed architecture for software-defined heterogeneous networks.

This paper is a good read for people who want a detailed understanding of the SDN technology, from its evolution to different architectures and standards. The paper can be considered as a compilation of architectures, standards, and protocols for SDN, and the references provided can be used for further study. Having said that, this research paper falls short in discussing ongoing research efforts in the area of SDN. While SDN is presented as a next-generation network (NGN) technology, there is no mention of software-defined wide area networks (SD-WANs). Furthermore, while SDN brings in many positive changes compared to the manner in which conventional networks operate, it does have many limitations. The limitations and challenges faced by SDN should have been discussed in this research paper.

Reviewer:  Rinki Sharma Review #: CR145773 (1803-0146)
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