可控组播在EPON接入网中的实现及改进
首发时间:2010-05-05
摘要:本文分析了组播协议的组成并提出一种新型的EPON系统中的可控组播实现方案.改进了ONU 设备的功能与结构,通过逻辑链路标识(LLID)承载着与IP 组播地址相对应的组播VLAN ID,实现了在RS(Reconciliation Sublayer)子层准确过滤转发数据.并且详细论述了方案的基本思想与实现细节。
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Controllable implementation of multicast in EPON access network and improvement
Abstract:After analysis of the composition of multicast protocols,this paper presents a novel implementation of d multicast in EPON system. It improves ONU’s functions and structures. Using logical link identifier (LLID) to carry multicast VLAN that is mapped with IP multicast address, RS sub2layer can exactly filter and distribute multicast data frames. The basic idea and process of implementation are given in detail, verification procedure and test results are provided.
Keywords: IGMP snooping LLID multicast VLAN EPON
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No.4262153106912730****
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