Example of Auto-Discovery

Provider Edge Router (PE1)

Backbone

BGP

BGP

BGP

BGP UPDATE

BGP

UPDATE

(ə:1, IPSec>,

ə:2, 1:3, 1:4, MPLS>,

ə:4,IPinIP>, PE-BVR1)

Provider Edge Router (PE2)

BVR

BVR

VPN-ID=1:1

VPN-ID=1:2

VPN-ID=1:3

VPN-ID=1:1

VPN-ID=1:2

VPN-ID=1:3

1:1, IPSec

1:2,MPLS

1:3,GRE

- Tunnel Mechanisms (with or without tunnel endpoints)

- Membership information

- Topology information

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