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随着互联网的飞速发展及用户规模的不断壮大,越来越多的互联网企业开始面临计算资源支撑不足等问题。在SDN这一概念提出后,互联网企业毫无意外地成为最早接受这一理念并开始积极部署的群体之一。早在2010年1月,Google便开始其SDN部署之路,及至2012年,谷歌全部的数据中心骨干连接已经都采用SDN架构,其网络利用率提升到95%。而在国内,百度、腾讯、阿里巴巴等众多互联网巨头企业也多次强调SDN对其未来发展战略的重要性。
With the rapid development of the Internet and the growing number of users, more and more Internet companies are facing the problem of insufficient support for computing resources. After the concept of SDN was proposed, Internet companies have by no means become one of the first groups to embrace this concept and begin to actively deploy it. As early as January 2010, Google began its SDN deployment path, and by 2012, all of Google’s core data center connectivity has been adopted SDN architecture, its network utilization increased to 95%. In China, many Internet giants such as Baidu, Tencent and Alibaba also emphasize the importance of SDN for their future development strategy on many occasions.