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Ucarp
Jul 20, 2023
Userlevel Common Address Redundancy Protocol
UCARP allows a couple of hosts to share common virtual IP addresses in order to provide automatic failover. It is a portable userland implementation of the secure and patent-free Common Address Redundancy Protocol CARP, OpenBSD’s alternative to the VRRP.
Because UCARP does not require “promiscuous mode” on interfaces, it may be a suitable option in environments where carp4 may be difficult to deploy, such as in clouds or other virtualized infrastructures.
Checkout these related ports:
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