Networking.
6 stories
How fast does a block reach each XDC client? A net2040 sample
A five-minute read-only sample on three hosts: when each xOne and fork node on net2040 first reported a new head, compared with the block's own timestamp.
Banning a peer by hand on xOne: admin_banPeer on XDC
How an xOneRS operator bans and unbans a peer by node id with admin_banPeer, how the ban differs from automatic reputation bans, and what it does not keep.
How to check an xOne node's networking from another host
The xOneRS p2p live checks: advertised address and NAT, enode and peer probes, a discovery bootnode, the node allowlist and interop with other XDC clients.
How xOne chooses and drops XDC peers: dial sample, score, bans
How an xOneRS node picks peers to dial from a seeded discovery sample, scores each peer's offences, bans a peer at 100 points, and where operator bans fit.
DNS peer discovery for XDC nodes: xOne's --discovery.dns and signed EIP-1459 trees
How xOneRS finds peers from a signed EIP-1459 DNS tree with --discovery.dns, what it checks before it dials, and why no XDC network has a tree to use yet.
A permissioned XDC network with xOne: the node allowlist and the perm_ methods
How xOneRS restricts peers to an enode allowlist with --permissions.nodes, refuses everyone else, and changes the list at run time with perm_ RPC or SIGHUP.
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