此外，媒质可被物理移动到另一个地点，而不需要在服务提供商和客户之间建立一个高带宽通道以供数据清洁迁移。

Also, media can be physically moved to another location, providing a clean movement of data without the necessity of extensive bandwidth between the service provider and customer.

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无线光码分多址(W - OCDMA)接入网中，数据链路层的媒质接入控制技术(MAC)至关重要，它直接影响网络的性能、带宽利用效率、终端设备的复杂度和成本。

In wireless optical code multiple access (W-OCDMA) network, Media access Control (MAC) is a key issue, which determines network performance, bandwidth efficiency, complexity and cost of terminal.

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