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91. 发明授权

US07401132B1 Method and system for creating a peer-to-peer overlay network 有权
标题翻译：创建对等覆盖网络的方法和系统
公开(公告)号：US07401132B1
公开(公告)日：2008-07-15
申请号：US10327545
申请日：2002-12-20
申请人： Andrew Krumel , Paul L. Borrill , Paul Czarnik , Gregory L. Slaughter , John Muth , Girish Jorapurkar
发明人： Andrew Krumel , Paul L. Borrill , Paul Czarnik , Gregory L. Slaughter , John Muth , Girish Jorapurkar
IPC分类号： G06F15/16 , G06F15/173 , H04L12/28 , H04L12/56
CPC分类号： H04L67/104 , H04L29/06 , H04L45/02 , H04L45/12 , H04L45/42 , H04L67/1002 , H04L67/1008 , H04L67/101 , H04L67/1046 , H04L67/1055
摘要： A method and system for creating a peer-to-peer overlay network. The method includes discovering a set of node characteristics for each of a subset of existing nodes of a network. The method also includes scaling each of the discovered set of node characteristics to a value which is within a predetermined range of values. The method also includes generating a set of weighted values for each of the subset of nodes by applying a weighting function to each of the scaled values. In addition, the method includes generating a node rank value for each of the subset of nodes by summing the weighted values of each respective set of weighted values. Further, the method includes determining whether to connect to any of the subset of nodes based upon the node rank value.
摘要翻译：一种用于创建对等覆盖网络的方法和系统。该方法包括为网络的现有节点的子集中的每一个发现一组节点特征。该方法还包括将所发现的一组节点特征中的每一个缩放到预定值范围内的值。该方法还包括通过对每个缩放值应用加权函数来生成每个节点子集的一组加权值。此外，该方法包括通过对每个相应加权值集合的加权值相加来生成每个节点子集的节点等级值。此外，该方法包括基于节点等级值确定是否连接到节点的任何子集。

92. 发明授权

US06385625B1 Highly available cluster coherent filesystem 有权
标题翻译：高度可用的集群一致文件系统
公开(公告)号：US06385625B1
公开(公告)日：2002-05-07
申请号：US09528537
申请日：2000-03-20
申请人： Gregory L. Slaughter
发明人： Gregory L. Slaughter
IPC分类号： G06F1730
CPC分类号： G06F17/30067 , Y10S707/99931 , Y10S707/99932 , Y10S707/99933 , Y10S707/99934 , Y10S707/99935 , Y10S707/99952 , Y10S707/99953
摘要： A distributed filesystem operating on a distributed computing system uses existing local filesystems as building blocks. A cluster filesystem layer is added above the local filesystems to handle functions necessary for a distributed filesystem, such as data coherency. A meta-data stub is developed to flush meta-data from the local filesystem to a storage device. In one embodiment, the meta-data stub is a copy of the flush portion of the meta-data portion of a local filesystem. Additionally, the distributed filesystem supports a plurality of coherency algorithms and variable granularity. A user may select the coherency algorithm that best suits the computer system and granularity that best suits the access patterns of the computer system.
摘要翻译：在分布式计算系统上运行的分布式文件系统使用现有的本地文件系统作为构建块。集群文件系统层被添加到本地文件系统之上，以处理分布式文件系统所需的功能，例如数据一致性。开发了一种元数据存根，用于将本地文件系统中的元数据刷新到存储设备。在一个实施例中，元数据存根是本地文件系统的元数据部分的刷新部分的副本。此外，分布式文件系统支持多个一致性算法和可变粒度。用户可以选择最适合计算机系统的一致性算法和最适合于计算机系统的访问模式的粒度。

93. 发明授权

US06202147B1 Platform-independent device drivers 失效
标题翻译：平台无关的设备驱动程序
公开(公告)号：US06202147B1
公开(公告)日：2001-03-13
申请号：US09107047
申请日：1998-06-29
申请人： Gregory L. Slaughter , Thomas Saulpaugh , Bernard Traversat , Jeffrey A. Schmidt
发明人： Gregory L. Slaughter , Thomas Saulpaugh , Bernard Traversat , Jeffrey A. Schmidt
IPC分类号： G06F900
CPC分类号： G06F9/5016 , G06F12/0284
摘要： A computer-implemented method for allocating memory resources to a device driver is described. In one embodiment, a device driver generates a request for memory allocation in terms of an abstract memory address space. This abstract memory address space is also used by a bus manager to manage the allocation of memory. The driver forwards the request to the bus manager which can then allocate memory or translate the request to a second abstract memory address space used by a second bus manager. When the request is passed to a platform manager, real memory is allocated and the requested memory is passed back to the driver. Thus, by making a memory request in terms of a bus manager's abstract memory address space, the necessity of coding the driver to request real addresses (a platform-specific operation) is avoided.
摘要翻译：描述了一种用于向设备驱动器分配存储器资源的计算机实现的方法。在一个实施例中，设备驱动程序根据抽象存储器地址空间产生对存储器分配的请求。这个抽象的存储器地址空间也被总线管理器用来管理存储器的分配。驱动器将请求转发到总线管理器，总线管理器然后可以分配存储器或将请求转换为由第二总线管理器使用的第二抽象存储器地址空间。当请求传递给平台管理器时，将分配实际内存并将请求的内存传回驱动程序。因此，通过根据总线管理器的抽象存储器地址空间进行存储器请求，避免了编写驱动程序以请求实际地址（特定于平台的操作）的必要性。

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