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gossipsub: minor clarification in Ambient Peer Discovery section (#127)

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Mikerah
2019-01-31 08:04:13 -06:00
committed by Raúl Kripalani
parent ec888262b4
commit 0cfc5c16bf
1 changed files with 7 additions and 6 deletions
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13
pubsub/gossipsub/README.md
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@@ -54,12 +54,13 @@ It implements pubsub in the most basic manner, with two defining aspects:
### Ambient Peer Discovery
With ambient peer discovery, the function is pushed outside the scope
of the protocol. Instead, it relies on ambient connection events to
perform peer discovery via protocol identification. Whenever a new
peer is connected, the protocol checks to see if the peer implements
floodsub, and if so it sends a hello packet that announces the topics
that it is currently subscribing to.
With ambient peer discovery, the function is pushed outside the scope of the
protocol. Instead, the mechanism for discovering peers is provided for by the
environment. In practice, this can be embodied by DHT walks, rendezvous
points, etc. This protocol relies on the ambient connection events produced by
such mechanisms. Whenever a new peer is connected, the protocol checks to see
if the peer implements floodsub and/or gossipsub, and if so, it sends it a
hello packet that announces the topics that it is currently subscribing to.
This allows the peer to maintain soft overlays for all topics of
interest. The overlay is maintained by exchanging subscription