【摘要】 弹性分组数据环技术集IP的智能化、以太网的经济性和光纤环网的高带宽效率和可靠性于一体 ,为宽带IP城域网运营商提供了一个良好的组网方案。本文介绍了RPR的技术特点、标准化与产业化进展情况 ,重点讨论了各种RPR提案中已经基本达成共识的关键技术。更多还原

【Abstract】 Resilient packet ring (RPR), which is easy to integrate with existing IP intelligence, Ethernet′s cost_effectivity and fiber rings′ bandwidth efficiency and reliability, provides a fairly well metro aggregation solution that might be used by a metro service provider. This paper introduces RPR′s technology characteristics, standardization and industrialization progress, especially key technologies which have been widely accepted in RPR drafts.更多还原