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1. 发明授权

US07096328B2 Pseudorandom data storage 有权
标题翻译：伪随机数据存储
公开(公告)号：US07096328B2
公开(公告)日：2006-08-22
申请号：US10351269
申请日：2003-01-24
申请人： Shu-Yuen Didi Yao , Cyrus Shahabi , Roger Zimmermann
发明人： Shu-Yuen Didi Yao , Cyrus Shahabi , Roger Zimmermann
IPC分类号： G06F12/00
CPC分类号： G06F3/064 , G06F3/061 , G06F3/067
摘要： Systems and techniques to pseudorandomly place and redistribute data blocks in a storage system. In general, in one implementation, the techniques include: distributing data blocks over multiple storage devices according to a reproducible pseudorandom sequence that provides load balancing across the storage devices, and determining current storage locations of the data blocks by reproducing the pseudorandom sequence. The techniques may also include: distributing data blocks over multiple storage devices according to a reproducible pseudorandom sequence, in response to initiation of a storage scaling operation, pseudorandomly redistributing a selected subset of the data blocks and saving information describing the storage scaling operation, determining current storage locations based on the pseudorandom sequence and the saved scaling operation information, and accessing the data blocks according to the determined current storage locations.
摘要翻译：在存储系统中伪随机放置和重新分发数据块的系统和技术。通常，在一个实施方式中，技术包括：根据可重现的伪随机序列在多个存储设备上分配数据块，该冗余序列在存储设备之间提供负载平衡，以及通过再现伪随机序列来确定数据块的当前存储位置。这些技术还可以包括：响应于存储缩放操作的启动，根据可重现的伪随机序列在多个存储设备上分配数据块，伪随机重新分配所选数据块的子集并保存描述存储缩放操作的信息，确定当前基于伪随机序列和保存的缩放操作信息的存储位置，以及根据所确定的当前存储位置来访问数据块。

2. 发明授权

US07742504B2 Continuous media system 失效
标题翻译：连续媒体系统
公开(公告)号：US07742504B2
公开(公告)日：2010-06-22
申请号：US10351461
申请日：2003-01-24
申请人： Roger Zimmermann , Cyrus Shahabi , Kun Fu , Shu-Yuen Didi Yao
发明人： Roger Zimmermann , Cyrus Shahabi , Kun Fu , Shu-Yuen Didi Yao
IPC分类号： H04H20/28 , G06F15/16 , H04N7/173
CPC分类号： H04L47/58 , H04L47/13 , H04L47/50 , H04L47/6225 , H04L47/6235 , H04L49/90 , H04L49/9031 , H04L49/9073 , H04L49/9078
摘要： Systems and techniques for transmitting data stream to a client include transmitting a data segment from one of a plurality of nodes of a continuous media server to a client according to a scheduler on the node. A system includes a plurality of data processing devices, each data processing device coupled with at least one storage device. Each data processing device includes a scheduler to schedule transmission of the data segment to a client in sequence with other data segments, and a module to transmit the data segment to the client.
摘要翻译：用于向客户端发送数据流的系统和技术包括根据节点上的调度器将数据段从连续媒体服务器的多个节点之一发送到客户机。一种系统包括多个数据处理装置，每个数据处理装置与至少一个存储装置耦合。每个数据处理设备包括调度器，用于按照其他数据段顺序传送数据段到客户机，以及将数据段传送到客户机的模块。

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