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1. 发明申请

WO2011097542A1 CORRECTING PACKET TIMESTAMPS IN VIRTUALIZED ENVIRONMENTS 审中-公开
标题翻译：在虚拟化环境中校正分组时钟
公开(公告)号：WO2011097542A1
公开(公告)日：2011-08-11
申请号：PCT/US2011/023833
申请日：2011-02-05
申请人： MALLOY, Patrick J. , SHAKULA, Alexey , GEHL, Ryan , OPNET TECHNOLOGIES, INC.
发明人： MALLOY, Patrick J. , SHAKULA, Alexey , GEHL, Ryan
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： G06F9/45533 , G06F9/45558 , G06F2009/45595
摘要： A network capture element is embodied on a virtual machine, and a utility function is embodied on the actual device, preferably within the virtual machine manager. Both the utility function and the traffic capture element are configured to monitor communication events. To minimize the overhead imposed, the utility function is configured to merely store the time that the event occurred on the actual machine, corresponding to an identifier of the event. The network capture element, on the other hand, performs the time consuming tasks of filtering the communications, selectively storing some or all of the data content of the communications, characterizing the data content, and so on. Instead of storing the virtual time that the communication event occurred at the virtual machine, the network capture element uses the identifier of the communication event to retrieve the actual time that the communication event occurred on the actual machine.
摘要翻译：网络捕获元件体现在虚拟机上，并且效用函数体现在实际设备上，优选地在虚拟机管理器内。效用功能和流量捕获元件都配置为监视通信事件。为了最小化所施加的开销，效用函数被配置为仅存储事件在实际机器上发生的时间，对应于事件的标识符。另一方面，网络捕获元件执行过滤通信的耗时任务，选择性地存储通信的一些或全部数据内容，表征数据内容等等。网络捕获元件不是存储通信事件在虚拟机中发生的虚拟时间，而是使用通信事件的标识符来检索在实际机器上发生通信事件的实际时间。

2. 发明公开

EP2532123A1 CORRECTING PACKET TIMESTAMPS IN VIRTUALIZED ENVIRONMENTS 审中-公开
标题翻译：软件包时，寺庙在虚拟化环境校正
公开(公告)号：EP2532123A1
公开(公告)日：2012-12-12
申请号：EP11740471.5
申请日：2011-02-05
申请人： OPNET Technologies, Inc.
发明人： MALLOY, Patrick J. , SHAKULA, Alexey , GEHL, Ryan
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： G06F9/45533 , G06F9/45558 , G06F2009/45595
摘要： A network capture element is embodied on a virtual machine, and a utility function is embodied on the actual device, preferably within the virtual machine manager. Both the utility function and the traffic capture element are configured to monitor communication events. To minimize the overhead imposed, the utility function is configured to merely store the time that the event occurred on the actual machine, corresponding to an identifier of the event. The network capture element, on the other hand, performs the time consuming tasks of filtering the communications, selectively storing some or all of the data content of the communications, characterizing the data content, and so on. Instead of storing the virtual time that the communication event occurred at the virtual machine, the network capture element uses the identifier of the communication event to retrieve the actual time that the communication event occurred on the actual machine.

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