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There are three attributes of a UNI that effect the type of service(s) that can be defined at the User-Network Interface (UNI):
These three attributes are inter-related: (Service Multiplexing = YES) ↔ (All-To-One Bundling = NO) If multiple services can terminate at the UNI then you can't have all CE-VLAN IDs mapped to a single Ethernet Service and vice versa. (Bundling = YES) → (All-to-One Bundling = NO) Being able to map multiple individual CE-VLAN IDs to a single service is different than mapped all CE-VLAN IDs to a single service. So these two parameters cannot both be enabled. Note that the other direction is not a requirement, i.e. if All-To-One Bundling is NO, Bundling can be YES or NO. But, (All-to-One Bundling = YES) → (Bundling = NO) Mapping all CE-VLAN IDs to a single service is different from being able to map multiple individual CE-VLAN IDs to a single service.
Bottom line is that Bundling and All-to-One Bundling cannot both be YES at a UNI, but they can both be NO. |
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Based on the definitions and rules in the left column, here are the combinations of the three attributes.
Service Multiplex-ing | Bundling | All-to-One Bundling | Description |
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YES | NO | NO | Multiple services allowed at the UNI, but only one CE-VLAN ID mapped to each service. |
YES | YES | NO | Multiple services allowed at the UNI and multiple CE-VLAN IDs can be mapped to each service. |
YES | YES | YES | Illegal configuration |
YES | NO | YES | Illegal configuration |
NO | NO | YES | Single "private" service at the UNI. |
NO | YES | NO | Illegal configuration |
NO | YES | YES | Illegal configuration |
NO | NO | NO | Illegal configuration |