美国航空希望通过直连模式来控制销售业务，而不交给在线旅行社和GDS等第三方处理。
American wants to take control of its own merchandising through AA Direct Connect rather than have it handled by third parties, including OTAs and GDSs.
中介模式与直连esb类似，但较松散的耦合提高了服务可见性。
The mediation patterns are similar to the Directly Connected ESB, but looser coupling increases service virtualization.
除了以下几点不同外，SOA用户角色的任务与直连esb模式中的任务相匹配。
Tasks for the SOA user roles match those in the Directly Connected ESB pattern except for a few differences.
直连esb(本部分所讨论的)和代理esb模式(下一部分将要讨论的)适合这些业务模型。
Both the Directly Connected ESB (discussed in this section) and the Brokered ESB pattern (discussed in a later section) fit these business models.
代理有助于克服直连ESB模式的点到点连接的可维护性挑战。
The broker helps overcome the maintainability challenges of the Directly Connected ESB pattern’s point-to-point connectivity.
代理有助于克服直连ESB模式的点到点连接的可维护性挑战。
The broker helps overcome the maintainability challenges of the Directly Connected ESB pattern’s point-to-point connectivity.
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