And what would an integratedstack be without some database packages such as.
如果没有以下的数据库软件包，怎么还能叫集成软件呢？
2
[where] the service delivery components, such as billing, metering, and logging, are built by the application vendor and integrated into the application stack.
[其中]服务交付组件，如计费、计量和日志由应用厂商构建，并集成到应用组合中。
3
Execution of tests against each integrated layer of the stack (usually via a unit test environment).