如果一首歌没调儿,那就不能说谁唱这首歌跑调儿了。现在 IT 业界在谈一些概念的时候,由于没有明确它的定义,所以各说各的,都不是一码事,越争越误会。就像一首没调的歌企业上网上什么网大家都在说企业上网,实际上企业上网有4种含义,即:企业上自己的内部网叫企业上网;企业供销、外贸找用户、找生意上互联网也叫上网;没有网的企业也上网,上的是 ISP,是 IDC(Internet data Center);还有租的什么网都叫企业上网,企业设立了网站,相互上网也叫上网。可能还存在着第五、第六种上网的含意,也可能这四网都上了,才能叫企业真正的上网。实际上经典的企业网络中,生产过程操作一 If you do not tune a song, you can not say who sings it. Now that the IT industry is talking about some concepts, because it does not have a clear definition of what it means, each is different from the other. Like a song that is not stressed on the Internet what the Internet Everyone is talking about business Internet access, in fact there are four kinds of business Internet meaning, namely: business on their own internal network called enterprise Internet access; enterprises supply and marketing, foreign trade to find users, business transactions On the Internet is also called the Internet; there is no Internet business Internet, on the ISP, is IDC (Internet data Center); What network are also rented rent business Internet companies set up a Web site, also called the Internet each other. There may still be the meaning of the fifth and sixth Internet access, but also the four networks are all in order to call the real business Internet. In fact, the classic corporate network, the production process operation one