group
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... prefix" as it is used here is equivalent to "CIDR block",
and in simple terms may be thought of as a group of one or more
networks. We use the term "network ...
...
Policies are not configured for each prefix separately but for groups
of prefixes. These groups ...
... grouping together a set of prefixes which belong under the same
administrative umbrella, even if within that group of prefixes there
are various different routing policies ...
...
Here multi-homed is taken to mean a prefix or group of prefixes
which connects to more than one service provider ...