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Application's softwares are upgraded using the Individual service "/bequeath-your-data-and-die"
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Ultimate goal of this service is to perform software version or instance upgrade without(or with minimum) downtime.
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This service will be initiated by a new application to the old(or same) version of the same application.
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The functionality within this service performs a set of procedure to transfer the data from old application to new application using callbacks.
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Every new version will be backward compatible with its immediate previous version for a smooth integration with multiple MS. So, software version upgrades should be sequential in order to have a backward compatible version.
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unlike others , this service is not a straightforward one. It has to perform a number of callbacks to transfer the data from old to new version.
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In a high-level , the software upgrade will be in the following sequence ,
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In detail , the software upgrade looks like below ,
