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Performance Monitoring Analysis for L3VPN
Lianshu Zheng (Huawei) Zhenbin Li (Huawei)
Bhavani Parise (Cisco)
IETF87 July 2013 Berlin
draft-zheng-l3vpn-pm-analysis-01
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• L3VPN has bee deployed in mobile backhaul networks for the reason of: -- FMC (Fixed Mobile Convergence)
-- Scalability
L3VPN Deployment in Mobile Backhaul Networks
ATM RNC
Last Mile Access Aggregation RNC/SGW/MME
RSG
RSG
CSG BTS
NodeB / eNB
E1
Eth.
IP RNC/S-GW/MME
ATN
ATN
ATN
UPE NPE NodeB
ATM
BSC
STM-1
Access Tunnel 3G ETH VRF LTE VRF S1
TDM/ATM Services
Ethernet Service
Aggregate Tunnel
AGG
AGG
SPE
PWE3 L3VPN
3G ETH PW LTE S1 ETH PW
L2VPN + L3VPN
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Requirement of Performance Monitoring for L3VPN
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L2VPN L3VPN
MPLS TP for LSP
MPLS TP for PW ??? for L3VPN
Y.1731 for MAC ??? for IP
draft-li-mpls-seamless-mpls-mbb-00
SDH-like OAM service should be provided in MBB networks.
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• Network Model: Multipoint-to-Point or Multipoint-to-Multipoint – Existing mechanisms for MPLS networks are for P2P or P2MP.
Challenge for L3VPN Performance Monitoring
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Label:3000
Label:3000
Label:3000
PE3
PE1
PE2
CE1
CE2
CE3
CE4 12.16.2.1/24
ip vpn-instance vpn1 rd 100:1 Import target 100:1 Export target 100:1
ip vpn-instance vpn1 rd 100:1 Import target 100:1 Export target 100:1 ip vpn-instance
vpn1 rd 100:1 Import target 100:1 Export target 100:1
ip vpn-instance vpn2 rd 100:2 Import target 100:1 Export target 100:1
IP:RD+12.16.2.1
Next_hop:PE3
Label:3000
ERT:1OO:1
Label:3000
Label:3000
Label:3000
??
Same Consideration for E-VPN
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Updates • Add one co-author: Bhavani Parise
• Modify based on the careful review comments from Bhavani
Parise to make explanations more precise
• Correct text errors
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• Solicit more comments & feedbacks
• Request to adopt as the WG draft
Next Steps