Dead Peer Detection
Encyclopedia
Dead Peer Detection is a method of detecting a dead Internet Key Exchange
(IKE) peer. The method uses IPsec
traffic patterns to minimize the number of messages required to confirm the availability of a peer. DPD is used to reclaim the lost resources in case a peer is found dead and it is also used to perform IKE peer failover.
Internet key exchange
Internet Key Exchange is the protocol used to set up a security association in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP...
(IKE) peer. The method uses IPsec
IPsec
Internet Protocol Security is a protocol suite for securing Internet Protocol communications by authenticating and encrypting each IP packet of a communication session...
traffic patterns to minimize the number of messages required to confirm the availability of a peer. DPD is used to reclaim the lost resources in case a peer is found dead and it is also used to perform IKE peer failover.