ASMap
Date: April 11, 2024
Tags: Bitcoin core, Security enhancements, P2p
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.mdto recommend kartograf instead of getting file from sipa’s server