Multicasting is a function of the IP network protocol, with the help of special multicast routers and protocol stacks.

多点传送是IP网络协议的一项功能，它在专用多点广播路由器和协议堆栈的辅助下工作。

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Other stacks include video and special features.

FORBES: A Digital Home With 1,000 Doors

Scripps encourages students to take advantage of these special resources, making it easy to get lost among stacks and stacks of papers and artifacts in a temperature-controlled basement.

FORBES: The Evolution Of What's In Vogue