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公开(公告)号：US10977079B2
公开(公告)日：2021-04-13
申请号：US15277926
申请日：2016-09-27
发明人： Jinwei Xia , Xinyu Hu , Liang Zhang
摘要： The present invention discloses a method and an apparatus for implementing acceleration processing on a VNF. In the present invention, an acceleration request of performing acceleration processing on a virtualized network function VNF is received; a hardware acceleration device capable of performing acceleration processing on the VNF is determined according to the acceleration request; and an acceleration resource of the hardware acceleration device is allocated to the VNF, so as to perform acceleration processing on the VNF. According to the present invention, a corresponding hardware acceleration device can be dynamically selected for and allocated to a VNF, implementing virtualized management on the hardware acceleration device, and improving resource utilization.
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公开(公告)号：US20200241948A1
公开(公告)日：2020-07-30
申请号：US16755280
申请日：2017-10-13
发明人： Liang Zhang , Yu Li , Chenxiao Zhao , Huijin Huang
摘要： This application relates to the field of terminal technologies, and provides a terminal device troubleshooting method and a terminal device, so as to improve accuracy of a result of detecting a fault such as a black screen, or screen freezing that occurs on a terminal device. The troubleshooting method includes: obtaining, a first operation and a first result; determining that the first operation is the same as a predefined second operation and that the first result is a fault result; and when the first operation is the same as the second operation, and the first result is a fault result, determining that an actual fault occurs on a terminal device, where the first operation is an operation currently performed by a user on the terminal device, and the first result is a result of responding by the terminal device to the first operation.
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公开(公告)号：US20200159636A1
公开(公告)日：2020-05-21
申请号：US16749711
申请日：2020-01-22
发明人： Xin Xiao , Kang Cheng , Liang Zhang , Jian Li , Jiyu Pan
摘要： A memory anomaly detection method and device are provided. The method includes: obtaining a first memory log, where the first memory log includes log information of a plurality of garbage collections, and log information of each garbage collection includes a garbage collection time, and includes at least one of a downtime, memory usage after garbage collection, and memory usage before garbage collection; obtaining, based on log information in a first detection time window, first statistical information corresponding to the first detection time window; and determining, based on the first statistical information corresponding to the first detection time window, an anomaly degree corresponding to the log information in the first detection time window. It can be learned that by implementing the method described in the embodiments of this application, accuracy of a detection result of a memory anomaly degree is improved.
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公开(公告)号：US20200099981A1
公开(公告)日：2020-03-26
申请号：US16695652
申请日：2019-11-26
发明人： Yanfang Zhang , Jian Cheng , Yan Bai , Liang Zhang
IPC分类号： H04N21/442 , H04N21/44 , H04N21/643 , H04L1/00 , H04L12/26 , H04L1/08
摘要： A fault detection method, a monitoring device, and a network device for accurately performing fault detection on a video service are provided. The method includes: obtaining a video quality parameter of a monitored video stream, where the video quality parameter is determined according to a packet loss recovery method of the monitored video stream, the video quality parameter includes an effective packet loss factor, and the effective packet loss factor is used to indicate effectiveness of network packet loss recovery performed by using the packet loss recovery method of the monitored video stream; and performing fault detection based on the video quality parameter of the monitored video stream.
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公开(公告)号：US20190199439A1
公开(公告)日：2019-06-27
申请号：US16287920
申请日：2019-02-27
发明人： Tianjian Zuo , Liang Zhang , Enbo Zhou
IPC分类号： H04B10/25 , H04B10/524
CPC分类号： H04B10/2503 , H04B10/524 , H04L27/26
摘要： Embodiments of the present disclosure disclose a signal modulation and demodulation method and system, and an apparatus, to eliminate SSBI generated in a modulation and demodulation method. The method includes: performing, by a transmit end, PAM encoding on an input signal to obtain a PAM signal; electrically modulating, by the transmit end, the PAM signal by using a first filter; converting, by the transmit end, the electrically modulated PAM signal into an analog signal; optically modulating, by the transmit end, the analog signal by using an electro-optic modulator to obtain an optical signal, and sending the optical signal. Another method includes receiving, by a receive end, the optical signal, and converting the optical signal into an electrical signal; electrically demodulating, by the receive end, the electrical signal by using a second filter; and performing PAM decoding, by the receive end, the electrically demodulated electrical signal to obtain a restored input signal.
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公开(公告)号：US10055246B2
公开(公告)日：2018-08-21
申请号：US15279993
申请日：2016-09-29
发明人： Liang Zhang , Yuming Xie , Jinwei Xia , Jun Wu , Fan Yang
CPC分类号： G06F9/45558 , G06F2009/4557
摘要： A data flow migration method and device are disclosed. When migration between a source virtual machine and a target virtual machine is started, determining a silent time used for processing data flow migration; and receiving, within the silent time, a data flow packet sent by a switching node; and sending the data flow packet to the target virtual machine according to the data flow packet and a data flow migration policy. In this way, the silent time is used, a newly arrived data flow is redirected, and the newly arrived data flow is directly sent to the target virtual machine according to the data flow migration policy, which avoids migration of the newly arrived data flow. Therefore, data flows that arrive at the source virtual machine are on the decrease, and system migration performance is effectively improved.
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