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Shortcomings of transport network technologies were the main driver behind strong efforts of standardization organizations to develop control plane frameworks since 2001. Despite the findings of previous studies that the control plane framework deployment will lead to a 50 percent decrease in OPEX and despite the fact that transport providers seek new ways to reduce network management complexity, lower operational cost, and to increase network utilization, transport providers mostly remain reluctant to deploy the control plane frameworks introduced by IETF and ITU-T. All studies about identifying the reasons have only investigated technical factors.
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