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1、VPLS PE Model with E-Tree Support,阴廊庐平比跟惺靴督蒲尹下著骗啥忽哟狼寓持叫淄扇傀侩各垂煮处掠鞘暑VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,Backgrounds,E-Tree Requirements in multiple SDOs Service Definition: MEF 6.1, MEF 10.2 Mobile backhaul: MEF 22 Broadband Network Architecture: BBF WT-145 MPLS in Carri
2、er Ethernet: BBF WT-224 Lack of E-Tree support in VPLS standard Non-standard mechanism for single root topology Single VSI + extended split horizon mechanism No VPLS support for multi-roots topology Multiple nodes with root optional,PW,PW,CE,CE,责泌汝瀑少颐藕啃君走屎菩裕韶撬继呀瓣空帆抖植存酿贷槽贿螺稽素迭安VPLS PE Model with E-Tr
3、ee SupportVPLS PE Model with E-Tree Support,E-Tree Solution in Ethernet,IEEE uses a pair of SVLANs - Trunk SVLAN and Branch SVLAN to support generic E-Tree, which is incorporated in the latest IEEE 802.1Q standard,UNI,Root,Leaf,Root,Leaf,Trunk,Branch,MEN A,UNI,UNI,UNI,R,L,R,L,磺鸥黑挫象迫寄坎碾密苦栋崖钠屹直硅逾腹葡迅亚触
4、减茄擦妹羡姑丽翠粘VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,VLAN Based E-Tree Solution in VPLS,R,L,Bridge Module,VSI Fwder,Root,PW,CE1,AC,PW,Leaf,Bridge,PE1,PE2,Root,Leaf,L,R,Bridge 2 VLANs into a VSI,PE3,CE2,CE3,CE4,CE5,Tagged PW with 2 VLANs,NSP,VSI Fwder,VSI Fwder,VPLS,MEN,L,阅吩勉赘庚
5、袭诣碴辟新袍笋趾骂堰楷价缅议荔澎笛禽挝架友幼始死堑函勒VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,VLAN Mapping Options,R,L,Bridge Module,VSI Fwder,Root,PW,CE1,AC,PW,Leaf,Bridge,PE1,PE2,Root,Leaf,L,R,CE2,CE3,CE4,VSI Fwder,VLAN mapping options,VLAN mapping options,VPLS,MEN,PE3,CE5,NSP,VSI Fwder,L,青讯豪蘸氟绣冒豢
6、柠牡象稿执毖反饶恐睁杏耕腾晋矽弦哺袒沙香陋亥记滁VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,E-Tree Processing,PW works in Tagged mode PE may be provided with VLAN mapping capability Remote Root VLAN Local Root VLAN Remote Leaf VLAN Local Leaf VLAN At the ingress PE, Ethernet frames with Root or Leaf
7、VLAN encapsulated in the same PW and transparently label switched At the egress PE, Ethernet frames translated into Local Root or Leaf VLAN Leaf VLAN traffic filtered either at Leaf UNI on egress PE, or on ingress PE when its egress PE is a pure leaf PE,绞进姑柠驼谋藕症佬蛮美统系裸罕始琶染球会玩浓速侗蹈伸之漫水担皂酥VPLS PE Model
8、with E-Tree SupportVPLS PE Model with E-Tree Support,Extension of LDP Protocol,A new E-Tree sub-TLV is defined for PW interface parameters TLV PEs negotiate the support of E-Tree when a PW is set up Root VLAN ID and Leaf VLAN ID carried in the sub-TLV Several bits to help the negotiation procedure,佣
9、杀瘦涝归哥相牟焙疲篷脚盂人透西颤肥筑畔穴遣珍罚鳃宗惯堡痈唬丙悬VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,Next Step,The authors would like to request more WG feedbacks on mailing list To be accepted as WG draft?,坠祟莽弗艇诽划卤临验含逝窄其绦买嘿愤澳旁往员轮午汐侨单舔冉勇难椒VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Suppo
10、rt,Backup Slides,壤粪蛛顶不崩赶阅快再预痛钥蹭冒钡绒飘京稀衷今茁色啃奏擎街驱诬褪砌VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,E-Tree Solutions in IEEE (multi-domain),Trunk SVLAN and Branch SVLAN are also used to provide E-Tree service across multiple domains where roots and leaves located diversely,Root UNI,R
11、oot UNI,Leaf UNI,Leaf UNI,Leaf UNI,Leaf UNI,NNI,MEN A,MEN C,MEN B,NNI,Trunk,Branch,癸椭贞盎蚌陕梭敢塌浸肪闰件排及阂兹劝扫囤拟提待愉胃株凑贴蛤壶冠逐VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,Asymmetric VLAN Mapping in IEEE,Ingress and egress frames at Root and Leaf UNI are tagged with a single C-VLAN In the
12、network between Roots and Leaves, frames are tagged with Trunk or Branch S-VLAN,Ingress Translation,Egress Translation,At Root,At Leaf,C-VLAN =Trunk S-VLAN,C-VLAN=Branch S-VLAN,Trunk S-VLAN =C-VLAN Branch S-VLAN=C-VLAN,Trunk S-VLAN =C-VLAN Branch S-VLAN Discarded,色靖亥淤武孟区卫搭颧肝郎瓦株逊爵万猖溶铃韭芭扯胶橱腥磅僧锁内唱斡VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,Thank You,矩五娱滔矿舔垄拘结琐历宇滚会达珊峭蔽纶靠缚爆疯枢洽黄莉雌贴名茫坑VPLS PE Model with E-Tree SupportVPLS PE Model with E-Tree Support,