"multipath routing sends the same packet along multiple lines" - No, in general packets are not replicated over several routes, rather they are sent in the best possible direction (and if there are multiple equally good, then packet flows are distributed among them in some fashion [5-tuple hashing is a popular one]). On the other hand, I've read about something like a [draft] protocol, or maybe an MPTCP configuration, that does replicate the same packet to achieve higher resilience without the need to retransmit, so it may be already possible
oh wonderful! thanks for the correction! yea that was a throwaway comment from my source material that i didnt really understand myself. i looked up the wiki: en.wikipedia.org/wiki/Multipath_ro... and you are totally right. editing my post now.
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"multipath routing sends the same packet along multiple lines" - No, in general packets are not replicated over several routes, rather they are sent in the best possible direction (and if there are multiple equally good, then packet flows are distributed among them in some fashion [5-tuple hashing is a popular one]). On the other hand, I've read about something like a [draft] protocol, or maybe an MPTCP configuration, that does replicate the same packet to achieve higher resilience without the need to retransmit, so it may be already possible
oh wonderful! thanks for the correction! yea that was a throwaway comment from my source material that i didnt really understand myself. i looked up the wiki: en.wikipedia.org/wiki/Multipath_ro... and you are totally right. editing my post now.