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    • 3. 发明申请
    • Method for determining field software reliability metrics
    • 确定现场软件可靠性度量的方法
    • US20070226546A1
    • 2007-09-27
    • US11315772
    • 2005-12-22
    • Abhaya AsthanaEric BauerXuemei Zhang
    • Abhaya AsthanaEric BauerXuemei Zhang
    • G06F11/00
    • G06F11/008G06F11/3688
    • The invention includes a method for determining a software reliability metric, including obtaining testing defect data, obtaining test case data, determining testing exposure time data using the test case data, and computing the software reliability metric using testing defect data and testing exposure time data. The defect data includes software defect records. The test case data includes test case execution time data. A testing results profile is determined using testing defect data and testing exposure time data. A software reliability model is selected according to the testing results profile. A testing defect rate and a number of residual defects are determined by using the software reliability model and the testing results profile. A testing software failure rate is determined using the testing defect rate and the number of residual defects. A field software availability metric is determined using the field software failure rate determined using the testing software failure rate.
    • 本发明包括一种用于确定软件可靠性度量的方法,包括获得测试缺陷数据,获得测试用例数据,使用测试用例数据确定测试曝光时间数据,以及使用测试缺陷数据和测试曝光时间数据计算软件可靠性度量。 缺陷数据包括软件缺陷记录。 测试用例数据包括测试用例执行时间数据。 使用测试缺陷数据和测试曝光时间数据确定测试结果配置文件。 根据测试结果配置文件选择软件可靠性模型。 通过使用软件可靠性模型和测试结果曲线确定测试缺陷率和残留缺陷数量。 使用测试缺陷率和剩余缺陷数确定测试软件故障率。 使用使用测试软件故障率确定的现场软件故障率来确定现场软件可用性度量。
    • 5. 发明授权
    • Providing dynamic reliability and security in communications environments
    • 在通信环境中提供动态可靠性和安全性
    • US09300548B2
    • 2016-03-29
    • US13273415
    • 2011-10-14
    • Abhaya AsthanaMarc S. BenowitzUma Chandrashekhar
    • Abhaya AsthanaMarc S. BenowitzUma Chandrashekhar
    • G06F15/173H04L12/24G06F9/50
    • H04L41/5006G06F9/50H04L41/5025H04L41/5096
    • A dynamic reliability and security capability is provided. The dynamic reliability and security capability may be configured to support use of a dynamic reliability profile (DRP) that specifies the reliability parameters of a customer both as function of time and as a function of the requirements of the application or service of the customer. The reliability parameters may specify reliability requirements and/or goals of the customer, thereby providing a time varying requirements/goals profile. The dynamic reliability and security capability may be configured to dynamically configure the cloud resources to provide the required reliability as specified by the DRP. The RSG capability may be configured to subsequently monitor and meter the behavior to assure that the specified reliability is in fact being delivered, which may include use of self-healing capabilities to provide service assurance.
    • 提供动态的可靠性和安全性。 可以将动态可靠性和安全性能力配置为支持动态可靠性概况(DRP)的使用,该动态可靠性简档(DRP)指定客户的可靠性参数,作为时间的函数,并且作为客户的应用或服务的要求的函数。 可靠性参数可指定客户的可靠性要求和/或目标,从而提供时变要求/目标简档。 可以将动态可靠性和安全性功能配置为动态配置云资源,以提供DRP规定的所需可靠性。 RSG功能可以被配置为随后监视和计量行为,以确保实际上正在传递指定的可靠性,其可以包括使用自愈能力来提供服务保证。
    • 7. 发明授权
    • Analog switching system with fan-out
    • 具有扇出功能的模拟开关系统
    • US4057711A
    • 1977-11-08
    • US667960
    • 1976-03-17
    • Abhaya AsthanaGeorge Hannauer
    • Abhaya AsthanaGeorge Hannauer
    • G06J1/00
    • G06J1/00
    • An analog switching system having fan-out for switching a plurality of inputs coupled to analog signal sources with respect to a plurality of outputs coupled to analog signal destinations. A three stage switch matrix includes input, middle and output switch blocks with each block having a plurality of analog switch means and latching means. Any one input terminal of a switch block may be connected to any one or more of the output terminals of that block. A matrix controller coupled to each of the switch blocks addresses each switch block and actuates at least one of the latching means to provide a connection assignment for at least one of the analog switching means.
    • 一种模拟切换系统,具有扇出,用于相对于耦合到模拟信号目的地的多个输出切换耦合到模拟信号源的多个输入。 三级开关矩阵包括输入,中间和输出开关块,每个块具有多个模拟开关装置和锁存装置。 开关块的任何一个输入端子可以连接到该块的任何一个或多个输出端子。 耦合到每个开关块的矩阵控制器解决每个开关块并致动锁存装置中的至少一个以提供至少一个模拟开关装置的连接分配。
    • 10. 发明授权
    • Variable analog function generator
    • 可变模拟功能发生器
    • US4061904A
    • 1977-12-06
    • US663297
    • 1976-03-03
    • George HannauerAbhaya Asthana
    • George HannauerAbhaya Asthana
    • G06J1/00G06G7/28
    • G06J1/00
    • A variable analog function generator which is independent of an external computer during the time that it generates at least one predetermined output function of at least one input variable. The output function is expressed in terms of hybrid variables each having an analog portion and a digital portion. The function generator has a first dedicated memory which is loaded during set up time with data related to breakpoints defining the input variable. A second dedicated memory is loaded during set up time with tables of values defining the digital portion. During function generation, the analog portions are generated in response to (1) the input variable and (2) the data related to the breakpoints which is accessed in parallel from the first dedicated memory. The output function is generated in response to (1) the analog portions and (2) the tables of values accessed from the second dedicated memory.
    • 可变模拟函数发生器,其在产生至少一个输入变量的至少一个预定输出函数的时间内独立于外部计算机。 输出功能以混合变量表示,每个混合变量具有模拟部分和数字部分。 函数发生器具有第一专用存储器,其在设置时间期间与与定义输入变量的断点相关的数据加载。 在设置时间期间,第二专用存储器加载了定义数字部分的值表。 在功能生成期间,响应于(1)输入变量和(2)与从第一专用存储器并行访问的断点相关的数据产生模拟部分。 响应于(1)模拟部分和(2)从第二专用存储器访问的值表生成输出功能。