imagine an interface that exposes a separate method to change each address field. This approach would be efficient if the communication happens inside a single application—you update only those fields that changed. In an integration scenario, sending six or seven messages to update an address would be a significant overhead, plus we would have to deal with synchronizing the individual messages. Fine-grained interfaces also lead to tight coupling. If we change the address format by adding a new field, we have to define new message formats and change all other applications to send an additional
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