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The idea of programmable networks has recently re-gained considerable momentum due to the emergence of the Software-Defined Networking (SDN) paradigm. SDN, often referred to as a "radical new idea in networking", promises to dramatically simplify network management and enable innovation through network programmability. This paper surveys the state-of-the-art in programmable networks with an emphasis on SDN. We provide a historic perspective of programmable networks from early ideas to recent developments. Then we present the SDN architecture and the OpenFlow standard in particular, discuss current alternatives for implementation and testing of SDN-based protocols and services, examine current and future SDN applications, and explore promising research directions based on the SDN paradigm.
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Bruno A. A. Nunes
Universidade Federal do Rio de Janeiro
Marc S. Mendonca
Indiana University – Purdue University Indianapolis
Xuan-Nam Nguyen
Institut national de recherche en sciences et technologies du numérique
IEEE Communications Surveys & Tutorials
University of California, Santa Cruz
Institut national de recherche en sciences et technologies du numérique
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Nunes et al. (Wed,) studied this question.
synapsesocial.com/papers/69d9258ac7f0c3ae80a3c079 — DOI: https://doi.org/10.1109/surv.2014.012214.00180