FLEXIBLE BANDWIDTH ALLOCATION IN A CONTENT DISTRIBUTION NETWORK
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
Dec 31, 2013
filing date -
Dec 31, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and systems to improve the efficiency of a content delivery system. A local distribution node is introduced to the network, between the content provider and the end user device (i.e., the leaf node). The local distribution node is responsible for servicing a localized subset of the leaf nodes that would otherwise be serviced by a conventional server of the content delivery system. Requests for content are received at the local distribution node from leaf nodes, and content is received at the local distribution node for transmission to the leaf node(s). Content may be cached at the local distribution node to allow faster service of subsequent requests for this content. Caching may also be used to make the channel surfing process more efficient. If demand is high, a leaf node may be promoted to serve as an additional local distribution node. Leaf nodes may also share content among themselves. Bandwidth may be allocated and reallocated by the local distribution node for the local population of leaf nodes.
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