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    • 6. 发明申请
    • FLEXIBLE BANDWIDTH ALLOCATION IN A CONTENT DISTRIBUTION NETWORK
    • 内容分发网络中的灵活带宽分配
    • US20150188842A1
    • 2015-07-02
    • US14144996
    • 2013-12-31
    • Sonic IP, Inc.
    • William AmideiFrancis ChanEric GrabMichael KieferAaron McDanielJohn MickusRonald MombourquetteNikolai PopovFred Zuill
    • H04L12/911H04L12/26
    • H04L47/783H04L43/0894H04L47/762
    • 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.
    • 提高内容传送系统效率的方法和系统。 本地分发节点被引入网络,内容提供商和最终用户设备(即,叶节点)之间。 本地分发节点负责服务叶节点的本地化子集,否则将由内容传送系统的常规服务器来服务。 从叶节点在本地分发节点处接收到内容请求,并在本地分发节点接收内容以传输到叶节点。 内容可能会在本地分发节点缓存,以便更快地对此内容的后续请求进行服务。 也可以使用缓存来提高频道冲浪的效率。 如果需求很高,则叶节点可以被提升为用作附加的本地分布节点。 叶节点也可以在它们之间共享内容。 带宽可以由本地分布节点分配和重新分配用于叶节点的本地群体。