If the workload is already at or near 40% or more, you will need to upgrade the existing network or create a new intra-cluster network (as described in part 1 of this series).

如果工作负载接近或大于40%，您就需要升级现在的网络，或创建一个新的网内集群网络(如本系列第1部分所述)。

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The research results show that the interworking between ATM and MPLS can support the existing services, and realize and upgrade the smooth transition of the network.

研究结果表明，AT M - MPLS网络的互通可以支持原有的业务，并实现原有网络的平滑过渡与升级。

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A brownfield deployment, in contrast, is an upgrade or addition to an existing network and USES some legacy components.

与之相反，灰场部署是指对现有的网络升级或扩容，并利用一些老式的设备。

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While FastBreak is not an upgrade of Sprint's existing network, it will be able to communicate with older telecommunications networks.

CNN: Sprint unveils high-bandwidth Net access

However, Sprint recently announced a multi-year, multi-billion-dollar network upgrade that will replace many existing cell sites with a single cell radio that can be used for its voice and broadband services and that can be used either for WiMAX or LTE.

FORBES: Everything You Need To Know About 4G Wireless In 2011

As an easy and powerful upgrade to existing customers of the Drobo FS network-attached storage solution.

ENGADGET: Drobo's new 5N is a speedy $600 NAS for when you need files, stat