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    • 5. 发明授权
    • Content management in peer-to-peer content distribution clouds
    • 对等内容分发云中的内容管理
    • US08090861B2
    • 2012-01-03
    • US12301462
    • 2007-04-05
    • John L. MillerArmando Garcia-MendozaChristos GkantsidisPablo Rodriguez RodriguezStuart Ranson
    • John L. MillerArmando Garcia-MendozaChristos GkantsidisPablo Rodriguez RodriguezStuart Ranson
    • G06F15/16
    • H04L67/104H04L67/06H04L67/108
    • Managing content by influencing its distribution in the form of blocks or other units is crucial to the performance of a peer-to-peer content distribution system. We provide a content management module at each peer node to achieve this. The content management module implements a content request/response cycle in order to negotiate about blocks of content with other peer nodes. This cycle comprises an offer request, offer reply and a block request. These steps are preferably followed by data exchange and verification. The negotiation protocol used by our content management module provides a generic method that is advantageously used in conjunction with different encoding schemes such as full network coding and group network coding. In one embodiment we use group network coding and add information to the offer request and offer reply to facilitate efficient content distribution. Block request messages are selected to promote the use of on-the-fly decoding where possible.
    • 通过以块或其他单元的形式影响其分发来管理内容对于对等内容分发系统的性能至关重要。 我们在每个对等节点提供一个内容管理模块来实现这一点。 内容管理模块实现内容请求/响应周期,以便与其他对等节点协商内容块。 该周期包括报价请求,报价回复和块请求。 这些步骤最好是进行数据交换和验证。 我们的内容管理模块使用的协商协议提供了有利地与诸如全网络编码和组网络编码的不同编码方案结合使用的通用方法。 在一个实施例中,我们使用组网络编码并向提供请求添加信息并提供回复以促进有效的内容分发。 选择块请求消息以在可能的情况下促进即时解码的使用。
    • 7. 发明授权
    • Peer-to-peer name resolution protocol (PNRP) and multilevel cache for use therewith
    • 对等名称解析协议(PNRP)和与其一起使用的多级缓存
    • US07565432B2
    • 2009-07-21
    • US11152588
    • 2005-06-13
    • Christina HuitemaJohn L. Miller
    • Christina HuitemaJohn L. Miller
    • G06F15/173G06F15/16
    • H04L29/12066H04L29/12811H04L61/1511H04L61/6009H04L67/104H04L67/1065
    • A serverless name resolution protocol ensures convergence despite the size of the network, without requiring an ever-increasing cache and with a reasonable numbers of hops. This convergence is ensured through a multi-level cache and a proactive cache initialization strategy. The multi-level cache is built based on a circular number space. Each level contains information from different levels of slivers of the circular space. A mechanism is included to add a level to the multi-level cache when the node determines that the last level is full. A peer-to-peer name resolution protocol (PNRP) includes a mechanism to allow resolution of names which are mapped onto the circular number space through a hash function. Further, the PNRP may also operate with the domain name system by providing each node with an identification consisting of a domain name service (DNS) component and a unique number.
    • 无需服务器的名称解析协议确保收敛,尽管网络的大小,而不需要不断增加的缓存和合理的跳数。 这种融合通过多级缓存和主动缓存初始化策略来确保。 多级缓存基于循环数字空间构建。 每个级别都包含来自不同级别的圆形空间的信息。 当节点确定最后一个级别已满时,包括一个机制来向多级缓存添加级别。 对等名称解析协议(PNRP)包括允许通过散列函数映射到循环号码空间的名称的解析机制。 此外,PNRP还可以通过为每个节点提供由域名服务(DNS)组件和唯一号码组成的标识来与域名系统一起操作。