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What is the use of following vendor\magento\module-catalog\etc\communication.xml file located in the catalog module in Magento 2?

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Communication/etc/communication.xsd">
    <topic name="product_action_attribute.update" request="Magento\AsynchronousOperations\Api\Data\OperationInterface">
        <handler name="product_action_attribute.update" type="Magento\Catalog\Model\Attribute\Backend\Consumer" method="process" />
    </topic>
    <topic name="product_action_attribute.website.update" request="Magento\AsynchronousOperations\Api\Data\OperationInterface">
        <handler name="product_action_attribute.website.update" type="Magento\Catalog\Model\Attribute\Backend\ConsumerWebsiteAssign" method="process" />
    </topic>
</config>

Is it doing updation for attribute update based on cron or will it require any additional some server-side components?

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