Depending on the WAN service, most carriers support four basic levels of shaping, from bulk traffic to real-time.

视广域网服务而定，大多数运营商支持从批量流量到实时流量的四种基本的流量整形级别。

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In this case, more expensive high capacity hardware is used for the fast traffic while the bulk traffic is handled by commodity hardware with large disk partitions.

在此情况下，将对快速流量使用较昂贵的高容量硬件，而批量流量则由具有大型磁盘分区的普通硬件来处理。

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The sheer bulk of the latest ships is also concentrating traffic in big hub ports.

大多数（数量众多的？） 最新货船将注意力集中到大型港口的交通之上。

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So monetized response is happening on the paid results, even though the bulk of the traffic is in organic search.

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Birck takes some comfort from the fact that the bulk of Tellabs' flagship Titan 5500s manage local traffic, where the new world of packet switching is not yet a big threat.

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