EPON下行转发技术的研究  

Research of EPON Downstream Forwarding Technology

作　　者：曹祥风[1] 李文涛[1] 

机构地区：[1]UT斯达康通讯有限公司,杭州310053

出　　处：《光纤与电缆及其应用技术》2009年第3期42-44,46,共4页Optical Fiber & Electric Cable and Their Applications

摘　　要：对EPON的转发原理进行了简单的介绍,分析了目前下行方向报文转发的方式,提出了一种简单易行并和现有系统兼容的方法对下行广播和组播报文的前导码进行扩展,有效地对未知和非法的报文进行快速过滤,提高了系统的性能。The forwarding principles of EPON are briefly introduced, the current downstream packet forwarding method is analyzed, a simple and easy way that is compatible with current system is proposed to extend the definition of downstream broadcast/multicast preamble, so as to fast filter the unknown and illegal packet effectively and enhance the performance of the system.

关 键 词：以太无源光网络 逻辑链接标识 多点控制协议 

分 类 号：TN929.1[电子电信—通信与信息系统]