Curious if anyone has tried packet duplication on any SD-WAN vendor with successful results. I am trying to understand how it would be successful without introducing out-of-order packets. I can see how this would work for some applications but others, like VoIP, just drop out-of-order packets.
For example: Two links with different latency speeds
wan1 (latency 5 ms) receives packets 1,2,4,5 (packet 3 is lost)
wan2 (latency 35ms) receives packets 1,2,3,4,5 (packets 1,2,4,5 are dropped because they're duplicates)
Expected Result: Due to the latency, the destination device would get the following order: 1,2,4,5,3 (out of order).
I recently tested packet duplication with a vendor and experienced the above issue. So I am curious how this would work in the real world. Anyone have any insight?
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