What is a characteristic of GETVPN?
In GETVPN, all group members share a common security association (SA) database and the same keys for encryption and decryption. This approach avoids the need for per-peer IPsec SAs and simplifies the configuration and management of the VPN. Instead of using multiple SAs, GETVPN uses a single SA with a unique Group Domain of Interpretation (GDOI) group key that is distributed to all group members.
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