By mitchp
via architects.dzone.com
Published: Mar 12 2010 / 12:16
Performance is very important in environments with widely distributed data sources because network latency cannot be controlled. Real or near real-time environments also require high performance from the participating data services. This means that the data virtualization layer's performance depends mostly on response latency. The bottlenecks produced by network latency from the overloaded data virtualization layer can be reduced through high-performance caching in a data virtualization layer.
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