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E. 📢 Judicious Address Advertisements #1812

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p-shahi opened this issue Oct 7, 2022 · 0 comments
Open

E. 📢 Judicious Address Advertisements #1812

p-shahi opened this issue Oct 7, 2022 · 0 comments
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p-shahi commented Oct 7, 2022 •
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Why: A node that advertises lots of addresses hurts itself. Other nodes will have to try dialing a lot of addresses before they find one that actually works, dramatically increasing handshake latencies.

Goal: Nodes only advertise addresses that they are actually reachable at.

How: Unfortunately, the AutoNAT protocol can’t be used to probe the reachability of any particular address (especially due to a bug in the go-libp2p implementation deployed years ago). Most likely, we need a second version of the AutoNAT protocol.

Related discussion: #1480
@p-shahi p-shahi added the Epic label Oct 7, 2022
@p-shahi p-shahi changed the title G. 📢 Judicious Address Advertisements E. 📢 Judicious Address Advertisements Oct 21, 2022
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