Both Virtualization and Cloud Computing technologies pose significant challenges to traditional software licensing schemes (e.g. one license per user, one license per CPU or server).

虚拟化与云计算技术对传统的软件许可模式(比如说每个用户一个许可、每个服务器一个许可)提出了挑战。

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Still, with licensing costs around US$5,000 per server (though limited workstation licenses can be as low as US$79), not every project can afford its own XSL-FO renderer.

但是，获得许可证的费用大约是每台服务器 US$5,000（尽管受限的工作站许可证可能只要 US$79），所以并不是每个项目都有能力购买自己的 XSL-FO 渲染器。

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