Feng Jing Ma Xiaojun Gu Boxuan Guanqun Gu An Aided Tool for Enterprise Network Design. 491- 2000 15 J. Comput. Sci. Technol. 5 http://jcst.ict.ac.cn/cone/cone05.html#paper13 db/journals/jcst/jcst15.html#JingXBG00