To leverage the reuse benefits of SOA, service consumers and providers need to agree on an adequate level of testing of the providers and need to ensure that the testing is performed as agreed.

为了利用SOA的重用好处，服务使用者和提供者需要就提供者合理的测试级别达成一致，并需要确保测试按照双方达成的协议执行。

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Validating SOAs means testing components at the service level as well as at the level of composite applications.

验证soa的意思是在服务层和复合应用程序层对组件进行测试。

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With some careful testing, the service could support consumers sending older versions of the request documents. An API change, as well as being "extra field" level, could also be more far reaching.

经过仔细的测试之后，服务将可以支持客户发送旧版本的请求文档。

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Bank of America, the largest bank in the U.S. based on the level of deposits, is testing a new fee structure for its checking account service which used to be free.

FORBES: Bank of America Could Nickel And Dime Its Way To $16