The business requirement is for the solution to be secure with no dependency on the network transport.
业务需求就是保护解决方案，使其不依赖于网络传输。
If, for example, one solution USES up all network connections to a remote host that executes extremely slowly, those connections are no longer available to other solutions running on the same machine.
例如，如果一个解决方案耗尽到一个执行速度极慢的远程主机的所有网络连接，那么那些连接就不再可用于在同一台机器上运行的其他解决方案。
The advantage of a synchronization-based solution is that users are no longer required to have a constant network connection to access their information.
基于同步的解决方案的优势是用户不在需要长时间的持续连接来访问他们的数据。
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