据它的作者所说，ScaleUp提高了上传速度、支持不受限的上传文件大小，将每台服务器同时支持的上传数提升到上千个，并且包含了进度报告、流传输和过滤等等。
According to its creators, ScaleUp increases upload speed, supports unlimited upload file sizes, scales up to thousands of uploads per server, and includes progress reporting, streaming and filtering.
另外媒体流传输时需要大量的网络资源，造成服务器成为整个流媒体系统的瓶颈。
The other is media stream need a large number of network resource, lead to the fact, in the whole streaming media system, server is bottleneck.
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