Abstract
Advancement in applications and operational situations place stringent demands on longdistance data transmission, forcing network operators to rethink how they construct wide area networks [1]. Wide-area network improvement that is indicated by software-defined wide area network (SD-WAN) has been lauded as the most promising next-generation wide-area network design. SD-WAN is able to monitor and manage connection links adaptively based on application requirements [2]. This paper will discuss the newly emerging SD-WAN architecture for the implementation of the Internet. A thorough comparison and challenges that WAN faced before SD-WAN was also discussed to further prove the current features and its benefits. Handling any information accessible over the aspect and exploiting 5G transport for those important applications that demand amazingly low latency and huge bandwidths, SD-WAN will provide a smooth shift for the energy industry to an entire 5G connection [3], also will promote the development of the society.
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