Even in these cases, the underlying protocol is usually IP-based.

即使在这些情况下，底层协议常常也是基于IP的。

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You have a group of gamers, represented on the left side of Figure 4 by the box titled "IP-based user."

首先有一组玩家，这由图4中左边的“IP - based user”框表示。

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MQTT is a TCP/IP-based publish/subscribe messaging protocol, designed for communication over low-overhead networks.

MQTT 是基于 TCP/IP 的发布/订阅消息传递协议，针对低负荷网络的通信而设计。

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The company's suite of IP-based business communications services is one of the most advanced in the world.

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That is why, in four years, as little as 10% of phone systems may be IP-based, Gartner Group says.

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They assume a future in which all regulatory differences between IP-based and traditional circuit-switched phone services have been eliminated.

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