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光网络技术发展迅速,主要体现在城域网、超长传输系统和智能光交换三个方面。 推迟一年之后,3G技术和标准已基本成熟,正在全球开始走上商业化轨道,但多数运营商还是持小心谨慎态度,真正的赢利模式和赢利业务还在探索之中。 NGN得到越来越多的人的认同,无论对老运营商还是新运营商,发展NGN都是不可避免的大趋势。但由于技术不成熟等原因,NGN在全球还处于试验和试商用阶段,离大规模应用还有一段时间。 尽管电信业总的发展形势不好,建设规模明显缩小,但研发工作并没有停止,涉及下一代网络技术的新思路、新技术、新产品在不断出现,为运营商减少成本、增加收入、渡过难关、积蓄力量、准备下一步的发展提供了强有力的支持。
The rapid development of optical network technology, mainly in the metropolitan area network, long transmission system and intelligent optical exchange in three areas. Postponed a year later, 3G technology and standards have basically matured, the world is beginning to embark on the commercial track, but most operators are still cautious, the real profit model and profit business is still under exploration. NGN gets more and more people’s approval, no matter for the old operator or the new operator, the development of NGN is an inevitable trend. However, due to immature technology and other reasons, NGN is still in the global trial and commercial stage, from large-scale application for some time. Despite the general bad situation in the telecom industry and the significant reduction in the scale of construction, the R & D work has not stopped. New ideas concerning new generation network technologies are emerging. New technologies and new products are constantly emerging, reducing costs and increasing revenue for operators Over the storm, accumulate strength, prepare for the next development provides a strong support.