PE with Multiple Service Providers

VR-C

VR-A

VR-B

Backbone

VR-1

(IP)

VPN A

VPN B

VPN C

Backbone-1

(e.g., MPLS/IP/FR/ATM)

(non VPN aware)

VR-D

Backbone

VR-2

VPN E

VPN D

PE

Service Provider-1

Service Provider-2

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