【摘要】 RPR(Resilient Packet Ring)是一种经济实用的MAC层技术,在城域光纤环上有十分广阔的应用前景.本文对RPR出现的背景进行了探讨,详细分析了RPR的结构、特点和各项关键技术,并介绍了IEEE制定的RPR标准,给出了一个RPR的典型应用,最后介绍了一种简化了的低成本的实现方案.更多还原

【Abstract】 As an economical and practical MAC technology,Resilient Packing Ring(RPR) technology has extensive applications in MAN fibre loops.Firstly,the background of RPR presence was discussed.Secondly,the structure,characters and specific key technology were analyzed detailedly.Thirdly,the RPR criterion made by IEEE and a typical application example were proposed.Finally,a low-cost realization of a simplified project of MAN technology was put forward.更多还原