引言随着 e 时代的来临,无论是大企业还是中小企业都在争先恐后的实现COM。“企业上网工程”中预计,在本年度中实现上网的大企业是100家,而中型企业有1万家,小企业更多,有100万家。对于中小企业用户,由于资 Introduction With the advent of the era of e, both large and small enterprises are scrambling to achieve COM. According to the “Project on Enterprise Internet Access,” it is estimated that there are 100 large enterprises that have achieved Internet access during the year, while medium-sized enterprises have 10,000 while small ones have more and 1 million. For SME users, due to funding