“ASR 9K + NX7K” DCI Solution Overview MC-LAG + vPC - Cisco ...

ASR9K DCI Solution Enhancement – PBB-VPLSOne common backbone VPLS full mesh for all bridge-domains:• Highly PW scale O(1) instead of O(n2)• One time VFI/PW provisioningDCDCDCAggregate all or multiple bridge-domains into onecommon backbone VFIVFIVFIVFIVFIPBB-VPLSVFI• SP DCI deployment example: 20 DC sites,40 PEs, 8K Bridge-domains/VFIsnV Cluster– With full mesh VPLS PW, it require(40-1)*8K= ~320K PWs per PE– With PBB-VPLS, it only require 39VPLS PWvPCvPC