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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] [ANN] High-speed Bitcoin Relay Network
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
> To peer with the public relay nodes, simply select the closest region
> out of us-west (West Coast US), us-east (East Coast US), eu (Western
> Europe), au (Australia), or jpy (Japan) and add
> public.REGION.relay.mattcorallo.com to your addnode list. Note that
> since all of the relay nodes will relay between each other, you gain no
> latency advantage by peering with more than the closest node to you (and
> currently all the regions map to one node, so there they're redundant
> anyway).
>
> For each relay node, you can connect to either port 8334 or 8335.
> Connecting on port 8334 will relay only blocks, and port 8335 will relay
> both blocks and transactions. The relay nodes will request any
> transactions which appear in your invs no matter which port you connect to.
You should split the block-only and block+tx not only by port number, but also
by DNS address. DoS attack by flooding blocks is fundamentally more difficult
than DoS attack by flooding transctions, so doing the split by IP address
ensures that in the event of an attack the more important block relaying
functionality is less likely to be damaged. In the meantime point both DNS
addresses to the same IP until it becomes an issue.
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