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.
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
