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Introduction

Store and Forward allows data to be buffered locally at a client when connections are down to a cloud endpoint and deliver that data when the connection is restored. This feature is critical in most applications because if we lose connection to the cloud end point, we will lose data if it is not buffered locally. When Store and Forward is enabled and the edge node detects a disconnect to the cloud end point, messages will be stored locally in a history store. When the edge node can reconnect to the cloud end point, it will publish any stored messages. The rate at which these stored messages are flushed from the history store is configurable to prevent any delays in the delivery of live data.

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