Typically, though, a mission-criticalapplication does not rely on public data sources because of concerns about availability and data validity.
但是,考虑到数据的可用性和有效性,任务关键型应用程序一般都不依赖于公共数据源。
2
For many customers, IBM Lotus Sametime has become a mission-criticalapplication, and as such, the upgrade of your Sametime infrastructure should not be executed all at once, but rather in stages.