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    • 121. 发明申请
    • OPPORTUNISTIC DEVICE-TO-DEVICE COMMUNICATION
    • 机构设备通信
    • US20130034082A1
    • 2013-02-07
    • US13563593
    • 2012-07-31
    • Kamran EtemadVivek GuptaKerstin JohnssonShilpa TalwarRongzhen YangNageen Himayat
    • Kamran EtemadVivek GuptaKerstin JohnssonShilpa TalwarRongzhen YangNageen Himayat
    • H04W36/14
    • H04W36/14H04W72/0453H04W76/14H04W76/23H04W88/06Y02D70/126Y02D70/20
    • Embodiments of computer-implemented methods, systems, computing devices, and computer-readable media are described herein for opportunistically transitioning service flows of mobile devices between being direct and indirect. In various embodiments, a proximity between first and second mobile devices that are in wireless communication with each other may be monitored. In various embodiments, a selective transition of a service flow between the first and second mobile devices from being indirect through the radio network access node using a first radio access technology (“RAT”) to being direct using a second RAT may be facilitated, e.g., responsive to a determination that a first criterion has been met. In various embodiments, a selective transition of the service flow from being direct using the second RAT to being indirect using the first RAT may be facilitated, e.g., responsive to a determination that a second criterion has been met.
    • 本文描述了计算机实现的方法,系统,计算设备和计算机可读介质的实施例,用于在直接和间接之间机会地转换移动设备的服务流。 在各种实施例中,可以监视彼此无线通信的第一和第二移动设备之间的接近度。 在各种实施例中,可以促进第一和第二移动设备之间的服务流从第二无线电接入技术(RAT)间接通过无线电网络接入节点到直接使用第二RAT的选择性转换,例如响应 以确定已经满足第一标准。 在各种实施例中,可以方便地例如响应于已经满足第二标准的确定来促进服务流从直接使用第二RAT到间接使用第一RAT的选择性转换。
    • 123. 发明授权
    • Monitoring of metrics to identify abnormalities in a large scale distributed computing environment
    • 监测大规模分布式计算环境中的异常情况
    • US08073946B1
    • 2011-12-06
    • US12542477
    • 2009-08-17
    • Juliana JaegerVivek GuptaHsi-Guang Sung
    • Juliana JaegerVivek GuptaHsi-Guang Sung
    • G06F15/16
    • H04L43/08G06F11/3414G06F11/3419G06F11/3428G06F11/3495G06F2201/81G06F2201/865H04L41/5009H04L43/06H04L43/0852
    • Methods and apparatus, including computer program products, implementing and using techniques for finding application latency degradation causes in an application on a distributed computing system. Variables associated with the application and the computing system are identified, including variables that are candidates for being responsible for latency degradation. A total latency is divided into latency components, that each corresponds to an aspect of the total application latency. Each latency component is divided into study classes, that each includes a subset of the candidate variables. For each study class, combinations are generated for the subset of the variables; a latency distribution is determined for each variable combination; the determined latency distributions for the combinations are compared with corresponding latency benchmark values for the same combinations to determine whether a degradation in latency distributions has occurred for particular combinations among the one or more combinations, and a result is provided to a user.
    • 方法和装置,包括计算机程序产品,用于在分布式计算系统上的应用程序中发现应用程序延迟降级的实现和使用技术。 识别与应用程序和计算系统相关的变量,包括作为负责延迟退化的候选者的变量。 总延迟分为延迟组件,每个等待组件对应于总应用程序延迟的一个方面。 每个延迟组件被分为研究类,每个包括候选变量的子集。 对于每个研究类,为变量的子集生成组合; 为每个变量组合确定延迟分布; 将组合的确定的等待时间分布与相同组合的对应延迟基准值进行比较,以确定一个或多个组合之间的特定组合是否已经发生了等待时间分布的降级,并向结果提供了一个结果。