In current software systems，as the existing modeling system is only a single development system，the product of development tends to yield low productivity，low quality when the existing methods are used for feature modeling.
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The Software Architect also works with the Business Analyst in understanding the data requirements of the current systems and their relationship to the IAA data model.
软件架构师还与业务分析人员一起理解当前系统的数据需求及它们到 IAA 数据模型的关系。
Hence, multicast should be implemented in software in such systems by sending multiple unicast messages, and therefore is suitable for current and future systems.
因此，利用现有的单播技术在软件层面上实现多播是目前和今后很长一段时间内的很好的选择。
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