Batched message dispatch

Component: NServiceBus
NuGet Package NServiceBus (7.x - 7.1)

In Versions 6 and above, all outgoing operations that happen as part of processing a message (e.g. commands, responses, events) will be bundled together and passed to the transport after message handling pipeline has completed. This has two benefits:

  • Business data will always be committed to storage before any outgoing operations are dispatched. This ensures that there are no outgoing messages in case an exception occurs in the message handler.
  • Allows transports to improve performance by batching outgoing operations. Since transports get access to all outgoing messages as a group they can optimize communication with the underlying queuing infrastructure to minimize round trips.

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