Thus, network traffic between client 210 and server 250 must pass through network device 220, WAN connection 230, and network device 240.

因此，客户端210与服务器250之间的网络话务必须通过网络设备220、WAN连接230、以及网络设备240。

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For example, network acceleration devices typically involve at least one intercepting network device on each side of the WAN connection 150.

例如，网络加速设备通常在WAN连接150的每一侧涉及至少一个截取网络设备。

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Typically, the WAN connection is the weakest link in the organization's network infrastructure, having the slowest speed, the highest cost, and the lowest reliability.

通常，WAN连接是该组织的网络基础设施中最弱的链接、具有最低的速度、最高的成本、以及最低的可靠性。

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