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Bitcoin Core Dev Tech

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Bitcoin Core Dev Tech 2024 (Apr)

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ASMap

Date

11 April, 2024

Topics

bitcoin-core Security Enhancements (Miscellaneous)P2P Network Protocol (Miscellaneous)

Speakers

Not available

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From virtu's presentation

Distribution of nodes in ASes is low
8k reachable clearnet nodes / 30k unreachable
A contributor has different statistics that show a lot more nodes, not sure which numbers are (more) correct. These numbers are would mean that some of the simulations are already a reality.
Most nodes from Hetzner and AWS
Shift compute and bandwidth to nodes in small ASes
Unreachable nodes cannot sustain ten outbound connections

Discussions

Ignore AS for blocks-only connections?
ASMap could not be so effective for nodes running in big AS
Extra connection from a node in same network
Simulations should consider eviction logic
Do not protect outbound conns if we have more than one outbound connection for that ASN
Update contrib/seeds/README.md to recommend kartograf instead of getting file from sipa's server

From virtu's presentation Discussions

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