| 摘要 |
A communication apparatus such as a digital video camcoder acquires an IP address from a DHCP server on a UPnP network. During the communication apparatus is transmitting an image stream, which is a sensed image, to the DTV, the communication apparatus issues an IP address update request to the DHCP server. In this case, when the DHCP server leaves the UPnP network, the communication apparatus keeps transmitting the stream while holding an already set IP address. Upon completely transmitting the series of the stream, the communication apparatus generates its own IP address using an AutoIP function.
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