A context is
a logical grouping or mapping of configuration parameters that pertain
to various physical ports, logical IP interfaces, and services.
A context can be thought of as a virtual private network (VPN).
The system supports
the configuration of multiple contexts. Each is configured and operates
independently from the others. Once a context has been created, administrative
users can then configure services, logical IP interfaces, subscribers,
etc.for that context. Administrative users would then bind the logical
interfaces to physical ports.
Contexts can also be
assigned domain aliases, wherein if a subscriber's domain
name matches one of the configured alias names for that context,
then that context is used.
In HeNB-GW service
implementation, the contexts can be classified into source or destination
contexts. This is because GTP-U tunnels as well as HeNB-GW Access
and Network services can be created over a single context.
The IP addresses as
well as interfaces can also under the defined under the same context. These
IP addresses are later used to bind with different services including
GTP-U, MME and Interfaces including S1-MME for HeNB-GW Access service
and Network service.