It had to handle all the major use cases, including queue-style store-and-forward messaging, Tibco-style publish and subscribe, and reliable file transfer.

它之前必须处理所有主要的用例，包括队列式存储转发消息，Tibco风格的发布和订阅，还有可靠的文件传输。

youdao

One promising route forward could see Google integrate Java into its existing email, instant messaging and telephony services.

BBC: Analysis