Patent ID: 11936556
Assignee: ORACLE INTERNATIONAL CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. A system for multicast send duplication instead of replication in a high performance computing environment, comprising:
a computer, the computer comprising one or more microprocessors;
a plurality of switches arranged in at least two rails;
wherein a duplicate of a multicast message is sent on each of the at least two rails, each duplicate of the multicast message comprising a header identifying a same multicast sender node and a unique identifier;
wherein a receiving node receives at least two of the duplicate multicast messages, each being received on a different rail of the at least two rails and at different times; and
wherein upon receiving the at least two of the duplicate multicast messages, the receiving node, based at least upon unique identifiers of each of the headers of the at least two duplicate multicast messages, drops all but a first received duplicate multicast message of the at least two received duplicate multicast messages received at different times.