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    System and method for error handling and recovery
    3.
    发明授权
    System and method for error handling and recovery 失效
    用于错误处理和恢复的系统和方法

    公开(公告)号：US06687846B1

    公开(公告)日：2004-02-03

    申请号：US09539271

    申请日：2000-03-30

    申请人： Farid Adrangi ,  Rama R. Menon ,  Reed J. Sloss ,  David W. Gaddis

    发明人： Farid Adrangi ,  Rama R. Menon ,  Reed J. Sloss ,  David W. Gaddis

    IPC分类号： G06F1100

    CPC分类号： G06F11/0775 ,  G06F11/0709 ,  G06F11/0727 ,  G06F11/0793 ,  G06F11/2041 ,  G06F11/2048

    摘要： A system and method for error handling and recovery in a content distribution system is described in which errors corresponding to failed file operations (e.g., file transfer errors, file delete errors) are placed in an error queue. Error analysis logic reads the errors from the error queue and makes a determination as to whether the file operation errors are recoverable errors based on an error recovery policy. If the error analysis logic determines that recovery is possible, then one or more error recovery procedures are invoked. The procedures may be specific to the content delivery system (e.g., “Server X was down on 1/20 between 10:20 and 11:00 AM”), or may be more general (e.g., “attempt file transfers 5 times before quitting”). If it is determined that an error is not automatically recoverable, then the error is included in an error report.

    摘要翻译： 描述了内容分发系统中用于错误处理和恢复的系统和方法，其中对应于失败的文件操作的错误（例如，文件传输错误，文件删除错误）被放置在错误队列中。 错误分析逻辑从错误队列读取错误，并根据错误恢复策略确定文件操作错误是否是可恢复的错误。 如果错误分析逻辑确定恢复可能，则会调用一个或多个错误恢复过程。 程序可能是内容传送系统特有的（例如，“服务器X在10:20和11:00 AM之间的1/20之间关闭”），或者可能更一般（例如，“退出之前尝试文件传输5次 “）。 如果确定错误不能自动恢复，则该错误将包含在错误报告中。

    System and method for fault tolerant stream splitting
    4.
    发明授权
    System and method for fault tolerant stream splitting 失效
    容错流分裂的系统和方法

    公开(公告)号：US07020709B1

    公开(公告)日：2006-03-28

    申请号：US09608417

    申请日：2000-06-30

    申请人： Reed J. Sloss

    发明人： Reed J. Sloss

    IPC分类号： G06F15/16

    CPC分类号： H04L45/22 ,  H04L45/16 ,  H04L45/24 ,  H04L67/1002 ,  H04L67/1008 ,  H04L67/1029 ,  H04L67/1034 ,  H04L2029/06054 ,  H04N7/17354 ,  H04N21/222 ,  H04N21/64307 ,  H04N21/64322 ,  H04N21/64738

    摘要： A system is described comprising: a primary root splitter to split a data stream transmitted from an upstream server into a plurality of leaf splitter streams; a plurality of leaf splitters to split each of the leaf splitter streams into a plurality of end user streams, wherein one or more of the plurality of leaf splitters is a backup root splitter; and root splitter reassignment logic for reassigning one of the backup root splitters as a new primary root splitter responsive to detecting a problem with the primary root splitter.Also described is a method comprising: monitoring a primary root splitter to ensure that the primary root splitter is operating within predefined parameters, the primary root splitter to split a single data stream into multiple data streams transmitted to multiple leaf splitters; and reassigning one of the leaf splitters as a new primary root splitter responsive to detecting that the primary root splitter is not operating within the predefined parameters.

    摘要翻译： 描述了一种系统，包括：主分解器，用于将从上游服务器发送的数据流分解成多个叶分离器流; 多个叶片分离器，用于将每个叶片分离器流分成多个最终用户流，其中所述多个叶片分离器中的一个或多个是备用根分离器; 和根分路器重新分配逻辑，用于将一个备份根分解器重新分配为新的主根分段器，以响应于检测到主根分割器的问题。 还描述了一种方法，包括：监视主根分割器以确保主分割器在预定义参数内操作，主分割器将单个数据流分割成传输到多个叶分离器的多个数据流; 并且响应于检测到主根分离器不在预定义的参数内操作，将叶片分离器之一重新分配为新的主根分割器。