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F.4. About RELAY2
RELAYprotocol bridges two remote clusters by creating a connection between one node in each site. This allows multicast messages sent out in one site to be relayed to the other and vice versa.
JGroups includes the
RELAY2protocol, which is used for communication between sites in Red Hat JBoss Data Grid's Cross-Site Replication.
RELAY2protocol works similarly to
RELAYbut with slight differences. Unlike
- connects more than two sites.
- connects sites that operate autonomously and are unaware of each other.
- offers both unicasts and multicast routing between sites.