VRRP – Virtual Router Redundancy Protocol
CARP – Common Address Redundancy Protocol
ESRP – Extreme Standby Router Protocol (Extreme Networks Proprietary)
GLBP – Gateway Load Balancing Protocol (Cisco Proprietary)
R-SMLT – Routed Split Multi-Link Trunking (Avaya Proprietary)
NSRP – Net Screen Redundancy Protocol (Juniper Proprietary)
CCRE – Chassis Cluster Redundant Ethernet (Juniper Proprietary)
Non-Proprietary
Proprietary