The hardware varieties are typically a bit more expensive but provide superior performance, greater capability, and increased savings of back-end server resources.

硬件产品通常会贵一些，但是能够提供更优的性能和能力，并能节约后端服务器的资源。

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Therefore, in order to meet the big application many company build a virtual server system to provide services, which is comprised of back-end servers and fore-end hardware-director.

当前，大多数的解决方案通过利用若干服务器和前端硬件调度器组建一个虚拟服务器系统来满足大型应用的要求。

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All the back-end hardware and maintenance is taken care of by tech consultant Affordable Business Solutions.

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One lesson emerging from these various experiments is that the visible face of any mHealth or e-health scheme, regardless of where it operates, needs to be as simple and user-friendly as possible, whereas the hidden back end should use sophisticated software and hardware.

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