The dedicated network of the Jiangsu Provincial Department of Ecology and Environment is in need of up-grades and transformation.A project team was established to conduct extensive research and analysis on technical sys-tems.After a lot of technical system demonstration and research work,it was decided that the upgrade and transforma-tion should be based on software-defined wide area network(SDWAN)technology.An overview of the current state of the dedicated network was proposed,a needs analysis was conducted,and a technical solution was proposed to meet the requirements of the upgrade.The proposed solution includes overall solution design,SDWAN solution de-sign,security protection design,and network management design.
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