Computers cache the name-to-IP mapping for a certain period of time, known as the time to live (TTL), to reduce overall response time.

计算机将这个名称缓存到IP映射一段时间，这个时间段称为time to live (ttl)，以减少总响应时间。

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This change must be made at least one TTL period before you intend to change the address, because computers get the TTL along with the name-to-IP mapping.

在您打算更改地址之前，必须提前至少1个TTL时间段执行更改，因为计算机将把TTL以及名称缓存到ip映射。

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Heidemann's IP mapping also revealed that while the bulk of those IPv4 addresses have been handed out, a majority of them — roughly 85 percent — aren't actually in use.

Heidemann的IP映射也反映出虽然这些IPv4地址已经分配出去了，但是大部分——大约有百分之八十五——事实上并没有的到使用。

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Patent-to-product mapping, financial metrics and organizational data are critical to deliver the insight needed to effectively run an IP business unit that increases business value.

FORBES: State of the Intellectual Property (IP) Union