Transcript
Agenda
Introduction
Technology Options VPLS+PBB Combination Conclusion
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Agenda Introduction
Technology Options
VPLS+PBB Combination Conclusion
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Comparing technologies …
802.1ad VPLS 802.1ah PBB VPLS+PBB
Service Multipoint servicesLAN switching servicesDot1Q taggingQinQ tagging Multipoint servicesLAN switching servicesDot1Q taggingQinQ tagging Multipoint servicesLAN switching servicesDot1Q taggingQinQ tagging Multipoint servicesLAN switching servicesDot1Q taggingQinQ tagging
scalability Q-tag have network wide scope 4k services / network Limited MAC scalability Q-tags have local significance >4k VPLS services/node No MAC visibility in the backbone H-VPLS for control scalability Re-introduces MAC visibility in some cases Core Q-tags still havenetwork wide scope 4k services/network MAC scalability through backbone area havingseparate broadcastdomain Q-tags have local significance >4k VPLS services/node No MAC visibility in the backbone H-VPLS for control scalability PBB addresses MAC scalability
QoS Based on P-bits Relative priority No traffic engineering Guaranteed QoS through elaborate model (CIR, PIR, …) Traffic engineering Based on P-bits Relative priority No traffic engineering Guaranteed QoS through elaborate model (CIR, PIR, …) Traffic engineering
Resiliency STP, RSTP, MSTP based Restoration from seconds to 10s of seconds Service disruption MPLS FRR Restoration in 50 ms True dual homing with node protection Service continuity STP, RSTP, MSTP, PMSTP based Restoration from seconds to 10s of seconds Service disruption MPLS FRR Restoration in 50 ms True dual homing with node protection Service continuity
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Agenda
Introduction Technology Options
VPLS+PBB Combination
Conclusion
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Agenda
Introduction Technology Options VPLS+PBB Combination
Conclusion
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