THE NORTHBOUND APIs OF SOFTWARE DEFINED NETWORKSJournal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 10)
Publication Date: 2016-10-30
Authors : Poonam Vijay Tijare; Deepika Vasudevan;
Page : 501-513
Keywords : Network Management; SDN; Northbound API; Standardization;
Most traditional network architectures have their data plane and control plane put together, that is, they are vertically integrated. To combat the disa dvantages of these kind of architectures, the concept of programmable networks was introduced, and has gained a lot of momentum since then. These are known as Software Defined Networks (SDN). The usual physical boundaries in a network like switches and rou ters are broken in SDN architecture using Application Programming Interfaces (API). The API that resides in between the controller and the application layer in SDN is known as the Northbound API. Northbound API presents a network abstraction interface to t he applications and the management systems at the top of the SDN stack, and is hence considered to be the most important component of SDN Architecture. Due to its dynamic nature and the many developments occurring in it, the standardization of Northbound A PI has been a topic of discussion. This paper gives a brief overview of SDN, with a focus on the Northbound API. We survey the different kinds of Northbound API that currently exist, and then present the various opinions that exist on their standardization .
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Last modified: 2016-10-15 21:34:55