Max Pubsub Subscribers

Is there an upper limit to the number of subscribers to a pubsub channel? Is there a number where it starts to break down?

I’m in the process of building a network that I anticipate to grow to large numbers of IPFS nodes, and they all coordinate using pubsub. I’m trying to anticipate if there is some upper number where I should consider sharding the channel.

If people reading this have experience running sub-networks using pubsub, please share the maximum number of nodes you’ve run, and if you saw any issues with communication over pubsub.

Gossip pub should be fine, as it automatically create an overlay where peers are connected optimally. Publish/Subscribe :: libp2p Documentation

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