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10.4.11. Broker Federation Limitations Between 2.x and 3.x
Version 2.x to version 3.x broker federation support continues to be provided by the long-standing 0-10 federation capability. To administer both 2.x and 3.x brokers for federation, a version 3.x
qpid-route must be provisioned to ensure backwards compatibility with 2.x brokers. This is due to differences in argument count mismatch handling of 2.x brokers.
If an older version of
qpid-route attempts to create a link where the source broker uses a newer version, compatibility will break because 2.x versions of qpid-route do not include the improved argument count handling.
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