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自从去年下半年开始,宽带城域网的建设欣起高潮,相关概念炙手可热。中国电信正以强大的实力在全国各主要区域拉开架式;刚刚挂牌的中国铁通打算将一半的精力和资金投入到城域网和宽带接入网的建设中;面对这种形式,中国网通适时调整了战略,重新审视宽带社区接入网建设的战略地位,强力加入到这一区域的竞争行列。 城域网是介于局域网与广域网之间的网络,在信息化建设中具有举足轻重的地位。在国外一般被界定为MAN(Metropolitan-area Network);在国内则一般被理解为MAN+Homenet。为了建好城域网,首届中国城域网建设
Since the second half of last year, the construction of broadband metropolitan area network has enjoyed its climax, and the related concepts are very hot. China Telecom is now opening its doors to major regions in the country with great strength. The newly listed China Railcom intends to devote half of its energy and capital to the construction of metropolitan area networks and broadband access networks. In the face of this situation, China Netcom adjust the strategy timely, re-examine the broadband community access network construction strategic position, strongly joined the ranks of the competition. MAN is a network between LAN and WAN, which plays a decisive role in information construction. In foreign countries are generally defined as MAN (Metropolitan-area Network); in the country is generally understood as MAN + Homenet. In order to build a metropolitan area network, the first China metropolitan area network construction