HP Intelligent Management Center Licenses - Manual (Page 44)

The following is the relationship between every two objects:
1. One to one mapping between CE and SA, that is, one CE maps one SA. If a CE is dual-homed,
one CE can map multiple SAs.
2. Multiple to multiple mapping between SA and SC, that is, one SA can map one or multiple
SCs and one SC can map one or multiple SAs.
3. One to one mapping between SA and Interface, that is, one SA can map one interface on a
PE.
4. One to multiple mapping between VPN and SC, that is, one VPN can include multiple SCs.
5. One to multiple mapping between VRF and Interface, that is, a VRF can be associated with
0 or multiple interfaces.
6. One to multiple mapping between PE and VRF, that is, one or multiple VRF instances can be
created on a PE.
7. One to multiple mapping between PE and Interface, that is, there are one or multiple interfaces
on a PE.
8. Multiple to multiple mapping between VPN and VPN Group, that is, one VPN group can be
comprised of 0 or multiple VPNs, and one VPN can belong to 0 (no grouping) or multiple
VPN groups.
The last relationship is a special one, which indicates that VPN group can be nested, that is, a
VPN group can contain 0 or multiple sub-groups.
44 MPLS Manager