Next, you learn about the problem and the solution approach for this pattern.
接下来，我们将了解用于此模式的问题和解决方案方法。
After describing the context in which we apply data federation, we discuss the problem that this pattern addresses, as well as the solution.
描述了应用数据联合的上下文后，我们将讨论此模式所针对的问题及其解决方案。
The next pattern presents a partial solution to this problem.
下一个模式展示了对这个问题的部分解决方案。
应用推荐