宽带提速背景下OLT上联承载策略研究

Research on OLT Uplink Bearing Strategy Under the Background of Broadband Services Speed-up

随着宽带千兆建设的持续深入,固网业务在带宽及网络安全等方面对承载网提出了更高的要求,部分传统承载模式已无法适应业务发展。结合固网业务中OLT上联承载需求变化,分析现有IPRAN承载方案存在的问题,讨论并对比分析了光纤直驱、传统波分、PeOTN、智能城域网等各类承载技术方案,提出OLT上联承载及优化策略,为规范接入层网络、提高承载效能提供了参考。

With the continuous deepening of broadband gigabit construction,fixed broadband services have put forward higher require-ments to bearer networks in terms of bandwidth and network security.Some traditional bearer models have been unable to adapt to the development of services.Combined with the change of fixed network service and OLT uplink bearer demand,the existing problems of IPRAN bearer schemes are analyzed,and various bearer technology schemes including fiber,WDM,PeOTN,Smart-MAN are discussed and compared.The OLT uplink bearer and optimization strategy are proposed,which pro-vides a reference for standardizing access layer network and improving bearer efficiency.