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公开(公告)号：US20080320300A1
公开(公告)日：2008-12-25
申请号：US12097926
申请日：2006-12-04
申请人： Christos Gkantsidis , John Miller , Stuart Ranson , Aamer Hydrie , Tan See-Mong , Pablo Rodriguez Rodriguez , Manuel Costa
发明人： Christos Gkantsidis , John Miller , Stuart Ranson , Aamer Hydrie , Tan See-Mong , Pablo Rodriguez Rodriguez , Manuel Costa
CPC分类号： G06F21/10 , G06F2221/0788
摘要： The invention relates to content distribution over a network and provides methods of controlling the distribution, of receiving the content and of publishing content. The method of controlling distribution of content over a network includes receiving a content description and location information for a source of the content from a publisher, where the content description comprises authorisation details associated with the publisher. The validity of the authorisation details is checked and if found to be valid, the content description is provided to a node in the network
摘要翻译： 本发明涉及网络上的内容分发，并且提供了控制分发，接收内容和发布内容的方法。 通过网络控制内容分发的方法包括从发布者接收内容来源的内容描述和位置信息，其中内容描述包括与发布者相关联的授权细节。 检查授权细节的有效性，如果发现有效，则将内容描述提供给网络中的节点
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公开(公告)号：US07290002B2
公开(公告)日：2007-10-30
申请号：US10786674
申请日：2004-02-25
申请人： Marc Shapiro , James William O'Brien , Caroline Elizabeth Matheson , Pablo R. Rodriguez , Manuel Costa
发明人： Marc Shapiro , James William O'Brien , Caroline Elizabeth Matheson , Pablo R. Rodriguez , Manuel Costa
CPC分类号： G06F17/30067 , Y10S707/99942 , Y10S707/99953
摘要： A system-wide selective action management facility is provided. Such a facility can support selective action management for multiple applications executing on one or more computer systems (including the operating system and its components, such as a file system). A system-wide action management facility can log actions performed on the computer system(s) and record relationships between such actions (e.g., between actions of different sources, including different documents, different applications and even different computer systems). When a user discovers a mistake, the tool allows the user to select one or more past actions (i.e., the “mistake”) for removal or replacement with one or more correction actions. The tool can also re-execute dependent actions to restore the relevant state of the system at the time of the designation, absent the “mistake”. As such, actions throughout the system can be selectively undone, fixed and/or redone in an exemplary system-wide selective action management tool.
摘要翻译： 提供了一个全系统的选择性行动管理设施。 这样的设施可以支持在一个或多个计算机系统（包括操作系统及其组件，例如文件系统）上执行的多个应用的选择性动作管理。 系统范围的行动管理设施可以记录在计算机系统上执行的动作，并记录这些动作之间的关系（例如，不同来源的动作，包括不同的文档，不同的应用程序甚至不同的计算机系统）。 当用户发现错误时，该工具允许用户通过一个或多个修正动作来选择一个或多个过去动作（即，“错误”）来移除或替换。 该工具还可以重新执行相关操作，以在指定时恢复系统的相关状态，而不存在“错误”。 因此，可以在示例性全系统选择性动作管理工具中选择性地撤销，固定和/或重做整个系统中的动作。
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公开(公告)号：US09729624B2
公开(公告)日：2017-08-08
申请号：US12097980
申请日：2006-12-04
CPC分类号： H04L67/104 , H03M13/3761 , H04L67/1076 , H04L67/108
摘要： The invention provides methods of encoding content for distribution over a network and methods for decoding encoded content which has been distributed over the network. In a first example in which the content is divided into a plurality of segments and each segment comprising a plurality of blocks of data, the method comprises selecting a segment from the plurality of segments and selecting at least two blocks of the selected segment from a store of blocks. A new encoded block is created from a linear combination of the selected blocks.
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公开(公告)号：US07826396B2
公开(公告)日：2010-11-02
申请号：US11072525
申请日：2005-03-07
CPC分类号： H04L67/104 , H04L43/0858 , H04L43/0864 , H04L43/12 , H04L67/1046 , H04L67/1068
摘要： A method is provided for a host node in a computer network to determine its coordinates in a d-dimensional network space, comprising discovering an address of a peer node in the network, measuring network latency between the host node and the peer node, determining whether network latency has been measured for at least d+1 peer nodes, where, if network latency has not been measured for at least d+1 peer nodes, estimating the network coordinates of the host node, and where, if network latency has been measured for at least d+1 peer nodes, calculating the network coordinates of the host node using d+1 measured latencies.
摘要翻译： 提供了一种用于计算机网络中的主机节点来确定其在d维网络空间中的坐标的方法，包括发现网络中的对等节点的地址，测量主机节点和对等节点之间的网络等待时间，确定是否 已经对至少d + 1个对等节点测量了网络延迟，其中，如果尚未对至少d + 1个对等节点进行网络延迟测量，则估计主机节点的网络坐标，以及如果已经测量了网络延迟 对于至少d + 1个对等节点，使用d + 1测量的延迟来计算主机节点的网络坐标。
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公开(公告)号：US20110004677A1
公开(公告)日：2011-01-06
申请号：US12883346
申请日：2010-09-16
IPC分类号： G06F15/177
CPC分类号： H04L67/104 , H04L43/0858 , H04L43/0864 , H04L43/12 , H04L67/1046 , H04L67/1068
摘要： A method is provided for a host node in a computer network to determine its coordinates in a d-dimensional network space, comprising discovering an address of a peer node in the network, measuring network latency between the host node and the peer node, determining whether network latency has been measured for at least d+1 peer nodes, where, if network latency has not been measured for at least d+1 peer nodes, estimating the network coordinates of the host node, and where, if network latency has been measured for at least d+1 peer nodes, calculating the network coordinates of the host node using d+1 measured latencies.
摘要翻译： 提供了一种用于计算机网络中的主机节点来确定其在d维网络空间中的坐标的方法，包括发现网络中的对等节点的地址，测量主机节点和对等节点之间的网络等待时间，确定是否 已经对至少d + 1个对等节点测量了网络延迟，其中，如果尚未对至少d + 1个对等节点进行网络延迟测量，则估计主机节点的网络坐标，以及如果已经测量了网络延迟 对于至少d + 1个对等节点，使用d + 1测量的延迟来计算主机节点的网络坐标。
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公开(公告)号：US20090248898A1
公开(公告)日：2009-10-01
申请号：US12097980
申请日：2006-12-04
IPC分类号： G06F15/16
CPC分类号： H04L67/104 , H03M13/3761 , H04L67/1076 , H04L67/108
摘要： The invention provides methods of encoding content for distribution over a network and methods for decoding encoded content which has been distributed over the network. In a first example in which the content is divided into a plurality of segments and each segment comprising a plurality of blocks of data, the method comprises selecting a segment from the plurality of segments and selecting at least two blocks of the selected segment from a store of blocks. A new encoded block is created from a linear combination of the selected blocks.
摘要翻译： 本发明提供了对通过网络分发的内容进行编码的方法以及用于对已经通过网络分发的经编码的内容进行解码的方法。 在内容被划分为多个片段并且每个片段包括多个数据块的第一示例中，该方法包括从多个片段中选择片段并从商店中选择所选片段的至少两个片段 的块。 从所选块的线性组合创建新的编码块。
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公开(公告)号：US20080294779A1
公开(公告)日：2008-11-27
申请号：US12097946
申请日：2006-12-04
IPC分类号： G06F15/173
CPC分类号： H04L67/104 , H04L67/06 , H04L67/1085
摘要： A topology management process is implemented which involves removing or “tearing down” connections between nodes in certain situations in order to try to replace those connections with more optimal ones. Idle connections are torn down unless those are in a “notify” state; a notify state being one in which a request for content has been made to a neighbour but that neighbour has no available content as yet. Idle connections in a notify state are torn down only if they remain idle for a longer time than that required before an idle connection is torn down. To avoid problems caused by clusters of node forming and of loners being unable to join the cloud, network churn algorithms are taught. These involve requiring nodes to drop connections when specified conditions are met. Relative content distribution between connections is monitored and this information used to influence selection of those connections to drop.
摘要翻译： 实现了拓扑管理过程，其涉及在某些情况下删除或“拆除”节点之间的连接，以便尝试用更优选的连接替换这些连接。 空闲连接被拆除，除非它们处于“通知”状态; 通知状态是向邻居做出对内容的请求的通知状态，但是该邻居还没有可用的内容。 通知状态下的空闲连接只有在空闲连接断开之前保持空闲时间较长的时间才会被拆除。 为了避免由于节点形成的簇和不能加入云的孤岛造成的问题，教授了网络流失算法。 这些涉及要求节点在满足指定条件时删除连接。 监视连接之间的相对内容分配，并将此信息用于影响这些连接的选择。
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公开(公告)号：US20060209704A1
公开(公告)日：2006-09-21
申请号：US11072525
申请日：2005-03-07
申请人： John Miller , Manuel Costa , Noah Horton , Christian Huitema , Sandeep Singhal
发明人： John Miller , Manuel Costa , Noah Horton , Christian Huitema , Sandeep Singhal
IPC分类号： H04L12/26
CPC分类号： H04L67/104 , H04L43/0858 , H04L43/0864 , H04L43/12 , H04L67/1046 , H04L67/1068
摘要： A method is provided for a host node in a computer network to determine its coordinates in a d-dimensional network space, comprising discovering an address of a peer node in the network, measuring network latency between the host node and the peer node, determining whether network latency has been measured for at least d+1 peer nodes, where, if network latency has not been measured for at least d+1 peer nodes, estimating the network coordinates of the host node, and where, if network latency has been measured for at least d+1 peer nodes, calculating the network coordinates of the host node using d+1 measured latencies.
摘要翻译： 提供了一种用于计算机网络中的主机节点来确定其在d维网络空间中的坐标的方法，包括发现网络中的对等节点的地址，测量主机节点和对等节点之间的网络等待时间，确定是否 已经对至少d + 1个对等节点测量了网络延迟，其中，如果尚未对至少d + 1个对等节点进行网络延迟测量，则估计主机节点的网络坐标，以及如果已经测量了网络延迟 对于至少d + 1个对等节点，使用d + 1测量的延迟来计算主机节点的网络坐标。
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