论文部分内容阅读
文章从多个层面介绍了基于宽、窄带VPN技术原理,阐述了VPN技术在彩票销售业以及其他行业中的应用优势和实现方式。
The article introduces the principle of wide and narrowband VPN based on multiple levels, and expounds the advantage and realization of VPN technology in the lottery sales industry and other industries.