Among them, large IP address space, optimized speed and high security are the salient features.

其中以超大空间的IP地址、优化的网络速度和高安全性为显著特点。

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Think of the access log of a web server where the IP address and browser agent are repeated in every row, taking up space but simplifying bulk processing.

想一想web服务器的访问日志，其中每一行都重复了IP地址和浏览器代理，这虽然占用了空间但却简化了批量处理。

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Specifically, ICANN is responsible for coordinating the assignment of protocol parameters, overseeing the domain name system, allocating IP-address space and managing the root-server system.

CNN: 15 new firms approved to sell Net addresses