Ericsson MINI-LINK TN R3 ETSI Technical Description page 124

MINI-LINK TN R3 ETSI
6.7.4.1 Open Shortest Path First Features
The following summarizes the (Open Shortest Path First ) OSPF features:
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An NE can be a part of a non-stub area, stub area or totally stub area.
An NE can act as an Internal Router (IR) or an Area Border Router (ABR).
Virtual links are supported, which is useful when an area needs to be split
in two parts.
Link summarization is supported, which is used in the ABR to minimize the
routing information distributed to the backbone and/or other areas.
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14