【作者】 陈强；

【导师】 邱卫东；

【作者基本信息】 上海交通大学 ， 计算机技术， 2009， 硕士

【摘要】 通信传送光网络经过多年的发展,容量带宽得到了极大的提升,相对于通信行业传统的主体业务语音业务而言,带宽已经能够完全满足业务的需求,同时在网络架构上也从过去的PDH发展到了成熟的SDH,随着数据业务的发展又建立了适合数据业务的MSTP综合业务平台。随着网络容量和业务量的极大提升,基于环形网络建立的SDH体系的缺点日益突出,扩容困难、割接对现网运行影响大、对新业务支持能力差等等,越来越难以满足用户和通信运营商对网络提出的新要求,因此以ASON为代表的智能网在各方面的努力下浮出水面。但是相对于我国在ASON技术标准上做的大量工作和取得的成绩,我国在ASON网络的实际应用研究上还有很长的路要走,仅仅在省级骨干网或者很小的局点建立了极少数的测试网络,在迫切需要ASON的城域网,并没有进行过深入的研究。本次毕业设计对城域网的发展方向提出自己的观点;针对城域网ASON化的研究不足,对通信网络结构的图论抽象以及路径计算进行了研究,并对多量度的Dijkstra路由算法进行了研究和扩展改进;在充分调查和分析上海移动的城域网骨干层、汇聚层和接入层情况的基础上,推出了在骨干层进行ASON化方案,并与厂商联合进行了测试,最后补充了城域网ASON化安全策略。更多还原

【Abstract】 After many years’development of the telecom optical network, the bandwidth capacity has been greatly increase. Compared to the traditional main business voice services, bandwidth has been able to fully meet the needs of business. At the same time, the network architecture has developed from the past PDH to the mature SDH. Along with the development of data services, the Multi Service Transport Platform (MSTP) appears.With the network capacity and the business greatly enhance, the weaknesses of the SDH ring network system have become increasingly prominent, the expansion difficulties, lack of support to the new business and so on. There are more and more difficulties to meet the new requirements of Users and operators of telecom networks. ASON, as the representative to Intelligent Optical Network, comes into the sight of people.But compared to China’s technical standards of the ASON done a lot of work and achievements, China’s ASON network on the practical application research has a long way to go, just in the provincial backbone network, or in a very small scale, of the test network established. The real needs of the ASON in MAN have not conducted in-depth study.The graduation thesis focuses on the communications network graph theory, the extended Dijkstra routing algorithm and the promotion of the ASON in the backbone layer of MAN, in the full investigation and analysis of the Shanghai Mobile network. Thereafter, we conducted a test to demonstrate the feasibility of the program with the manufacturers.更多还原