Seamless multicast and unicast switching for content playback
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United States of America Patent
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Jan 16, 2018
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app pub date -
Jul 14, 2015
filing date -
Jul 14, 2015
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Abstract
Content streams, such as video streams, may be seamlessly provided as both multicast and unicast transmissions. For example, in one implementation, a mobile device may receive a request, from a user of the mobile device, to play streaming content at the mobile device. The mobile device may receive, from a wireless network, and using multicast techniques, a sequence of content segments that correspond to the requested streaming content, and determine when a content segment is missing from the sequence of content segments. The mobile device may request, in response to the determination of the missing content segment, the missing content segment, from the wireless network, using unicast techniques; and insert the received missing content segment into the sequence of content segments to obtain the sequence of content segments as a sequence that includes content segments received using both multicast and unicast techniques.
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