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SionoiS 2025-01-15 09:57:17 -05:00
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standards/core/store-sync.md
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@ -27,28 +27,17 @@ Various protocols and features that help with message consistency are described
### Store Resume
<!-- restating this as a heuristic rather than a high-level description of functionality allows the spec to be useful for new implementers -->
This feature allow a node to fill the gap in messages for the period it was last offline.
At startup, a node use the Store protocol to query a random node for
At startup, a node SHOULD use the Store protocol to query a random node for
the time interval since it was last online.
Messages returned by the query are then added to the node local archive storage.
Messages returned by the query are then added to the local node storage.
It is RECOMMENDED to limit the time interval to a maximum of 6 hours.
### Waku Sync
<!--
For the new version. "think of a specification as a heuristic/set of directives that almost form a kind of pseudocode. This becomes easier if you use the RFC keywords for each directive"
-->
Nodes that stay online can still miss messages.
[Waku Sync](https://github.com/waku-org/specs/blob/master/standards/core/sync.md) is the protocol used to find those message hashes by periodically syncing with random nodes.
It is RECOMMENDED to trigger a sync with a random peer every 5 minutes for a time range of the last hour.
After both message hash sets are reconciled,
the Store protocol SHOULD be used to reciprocally query the other node with the message hash differences found.
Messages returned by the query MUST be added to the node local Waku sync and archive storage.
<!-- TODO add the number of node to sync with -->
[Waku Sync](https://github.com/waku-org/specs/blob/master/standards/core/sync.md) is 2 libp2p protocols used to find those messages by periodically syncing with random nodes.
It is RECOMMENDED to trigger a sync with a random peer that supports the protocols every 5 minutes for a time range of the last hour.
## Copyright