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1. 发明授权

US11502922B2 Technologies for managing compromised sensors in virtualized environments 有权
公开(公告)号：US11502922B2
公开(公告)日：2022-11-15
申请号：US16704559
申请日：2019-12-05
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Anubhav Gupta , Shashidhar Gandham , Jackson Ngoc Ki Pang , Shih-Chun Chang , Hai Trong Vu
IPC分类号： G06F11/00 , G06F12/14 , G06F12/16 , G08B23/00 , H04L43/045 , H04L9/40 , G06F9/455 , G06N20/00 , G06F21/55 , G06F21/56 , G06F16/28 , G06F16/2457 , G06F16/248 , G06F16/29 , G06F16/16 , G06F16/17 , G06F16/11 , G06F16/13 , G06F16/174 , G06F16/23 , G06F16/9535 , G06N99/00 , H04L9/32 , H04L41/0668 , H04L43/0805 , H04L43/0811 , H04L43/0852 , H04L43/106 , H04L45/00 , H04L45/50 , H04L67/12 , H04L43/026 , H04L61/5007 , H04L67/01 , H04L67/51 , H04L67/75 , H04L67/1001 , H04L43/062 , H04L43/10 , H04L47/2441 , H04L41/0893 , H04L43/08 , H04L43/04 , H04W84/18 , H04L67/10 , H04L41/046 , H04L43/0876 , H04L41/12 , H04L41/16 , H04L41/0816 , G06F21/53 , H04L41/22 , G06F3/04842 , G06F3/04847 , H04L41/0803 , H04L43/0829 , H04L43/16 , H04L1/24 , H04W72/08 , H04L9/08 , H04J3/06 , H04J3/14 , H04L47/20 , H04L47/32 , H04L43/0864 , H04L47/11 , H04L69/22 , H04L45/74 , H04L47/2483 , H04L43/0882 , H04L41/0806 , H04L43/0888 , H04L43/12 , H04L47/31 , G06F3/0482 , G06T11/20 , H04L43/02 , H04L47/28 , H04L69/16 , H04L45/302 , H04L67/50
摘要： Systems, methods, and computer-readable media for managing compromised sensors in multi-tiered virtualized environments. In some embodiments, a system can receive, from a first capturing agent deployed in a virtualization layer of a first device, data reports generated based on traffic captured by the first capturing agent. The system can also receive, from a second capturing agent deployed in a hardware layer of a second device, data reports generated based on traffic captured by the second capturing agent. Based on the data reports, the system can determine characteristics of the traffic captured by the first capturing agent and the second capturing agent. The system can then compare the characteristics to determine a multi-layer difference in traffic characteristics. Based on the multi-layer difference in traffic characteristics, the system can determine that the first capturing agent or the second capturing agent is in a faulty state.

2. 发明授权

US10979322B2 Techniques for determining network anomalies in data center networks 有权
公开(公告)号：US10979322B2
公开(公告)日：2021-04-13
申请号：US15135344
申请日：2016-04-21
申请人： Cisco Technology, Inc.
发明人： Ashutosh Kulshreshtha , Navindra Yadav , Hai Trong Vu , Michael Standish Watts , Jackson Ngoc Ki Pang , Khawar Deen
IPC分类号： H04L12/26 , H04L29/06 , G06F9/455 , G06N20/00 , G06F21/55 , G06F21/56 , G06F16/28 , G06F16/2457 , G06F16/248 , G06F16/29 , G06F16/16 , G06F16/17 , G06F16/11 , G06F16/13 , G06F16/174 , G06F16/23 , G06F16/9535 , G06N99/00 , H04L9/32 , H04L12/24 , H04L12/715 , H04L12/723 , H04L29/08 , H04L12/851 , H04W84/18 , G06F21/53 , G06F3/0484 , H04L1/24 , H04W72/08 , H04L9/08 , H04J3/06 , H04J3/14 , H04L29/12 , H04L12/813 , H04L12/823 , H04L12/801 , H04L12/741 , H04L12/833 , H04L12/721 , G06F3/0482 , G06T11/20 , H04L12/841 , H04L12/725
摘要： A monitoring device/module monitors a plurality of nodes in a data center network, and determines one or more latency distributions of response times for messages exchanged between pairs of nodes of the plurality of nodes. The network monitoring device determines a network topology, including one or more communication links interconnecting nodes of the plurality of nodes, consistent with the one or more latency distributions. The network monitoring device also determines a representative response time for each communication link based on the one or more latency distributions, and compares a current response time a message exchanged between one pair of nodes to the representative response time for the communication link interconnecting the one pair of nodes. The network monitoring device identifies a network anomaly when the current response time deviates from the representative response time for the communication link interconnecting the one pair of nodes by a threshold amount.

3. 发明授权

US09979615B2 Techniques for determining network topologies 有权
公开(公告)号：US09979615B2
公开(公告)日：2018-05-22
申请号：US15135331
申请日：2016-04-21
申请人： Cisco Technology, Inc.
发明人： Ashutosh Kulshreshtha , Hai Trong Vu , Michael Standish Watts , Jackson Ngoc Ki Pang , Navindra Yadav , Khawar Deen
IPC分类号： H04L12/26 , H04L29/06 , G06F9/455 , G06F17/30 , H04L12/851 , H04L12/24 , H04W84/18 , H04L29/08 , G06N99/00 , G06F21/53 , H04L12/723 , G06F3/0484 , H04L1/24 , H04W72/08 , H04L9/08 , H04L9/32 , H04J3/06 , H04J3/14 , H04L29/12 , H04L12/813 , H04L12/823 , H04L12/801 , H04L12/741 , H04L12/833 , H04L12/721 , G06F3/0482 , G06T11/20 , H04L12/841 , H04L12/725 , H04L12/715
CPC分类号： H04L43/045 , G06F3/0482 , G06F3/04842 , G06F3/04847 , G06F9/45558 , G06F17/30241 , G06F17/3053 , G06F17/30554 , G06F17/30598 , G06F17/30604 , G06F17/30867 , G06F21/53 , G06F21/552 , G06F21/566 , G06F2009/4557 , G06F2009/45587 , G06F2009/45591 , G06F2009/45595 , G06F2221/033 , G06F2221/2101 , G06F2221/2105 , G06F2221/2111 , G06F2221/2115 , G06F2221/2145 , G06N99/005 , G06T11/206 , H04J3/0661 , H04J3/14 , H04L1/242 , H04L9/0866 , H04L9/3239 , H04L9/3242 , H04L41/046 , H04L41/0668 , H04L41/0803 , H04L41/0806 , H04L41/0816 , H04L41/0893 , H04L41/12 , H04L41/16 , H04L41/22 , H04L43/02 , H04L43/04 , H04L43/062 , H04L43/08 , H04L43/0805 , H04L43/0811 , H04L43/0829 , H04L43/0841 , H04L43/0858 , H04L43/0864 , H04L43/0876 , H04L43/0882 , H04L43/0888 , H04L43/10 , H04L43/106 , H04L43/12 , H04L43/16 , H04L45/306 , H04L45/38 , H04L45/46 , H04L45/507 , H04L45/66 , H04L45/74 , H04L47/11 , H04L47/20 , H04L47/2441 , H04L47/2483 , H04L47/28 , H04L47/31 , H04L47/32 , H04L61/2007 , H04L63/0227 , H04L63/0263 , H04L63/06 , H04L63/0876 , H04L63/1408 , H04L63/1416 , H04L63/1425 , H04L63/1433 , H04L63/1441 , H04L63/145 , H04L63/1458 , H04L63/1466 , H04L63/16 , H04L63/20 , H04L67/10 , H04L67/1002 , H04L67/12 , H04L67/16 , H04L67/22 , H04L67/36 , H04L67/42 , H04L69/16 , H04L69/22 , H04W72/08 , H04W84/18
摘要： In one embodiment, a monitoring device (or module) monitors messages exchanged between nodes in a communication network. The monitoring device further determines, based on time stamp data associated with each message, one or more latency distributions of paired response times between the nodes, and determines a node topology consistent with each of the one or more latency distributions of paired response times between the nodes. In some embodiments, the monitoring device also generates a graph of the node topology showing one or more communication links between the nodes, and annotates each communication link of the one or more communication links with at least one of a mean response time or a median response time based on at least one of the latency distributions.

4. 发明申请

US20160359658A1 AUTO UPDATE OF SENSOR CONFIGURATION 审中-公开
标题翻译：自动更新传感器配置
公开(公告)号：US20160359658A1
公开(公告)日：2016-12-08
申请号：US15170765
申请日：2016-06-01
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Anubhav Gupta , Shashidhar Gandham , Jackson Ngoc Ki Pang , Shih-Chun Chang , Hai Trong Vu
IPC分类号： H04L12/24 , H04L12/26 , H04L29/08
CPC分类号： H04L43/045 , G06F3/0482 , G06F3/04842 , G06F3/04847 , G06F9/45558 , G06F16/122 , G06F16/137 , G06F16/162 , G06F16/17 , G06F16/173 , G06F16/174 , G06F16/1744 , G06F16/1748 , G06F16/2322 , G06F16/235 , G06F16/2365 , G06F16/24578 , G06F16/248 , G06F16/285 , G06F16/288 , G06F16/29 , G06F16/9535 , G06F21/53 , G06F21/552 , G06F21/566 , G06F2009/4557 , G06F2009/45587 , G06F2009/45591 , G06F2009/45595 , G06F2221/033 , G06F2221/2101 , G06F2221/2105 , G06F2221/2111 , G06F2221/2115 , G06F2221/2145 , G06N20/00 , G06N99/00 , G06T11/206 , H04J3/0661 , H04J3/14 , H04L1/242 , H04L9/0866 , H04L9/3239 , H04L9/3242 , H04L41/046 , H04L41/0668 , H04L41/0803 , H04L41/0806 , H04L41/0816 , H04L41/0893 , H04L41/12 , H04L41/16 , H04L41/22 , H04L43/02 , H04L43/04 , H04L43/062 , H04L43/08 , H04L43/0805 , H04L43/0811 , H04L43/0829 , H04L43/0841 , H04L43/0858 , H04L43/0864 , H04L43/0876 , H04L43/0882 , H04L43/0888 , H04L43/10 , H04L43/106 , H04L43/12 , H04L43/16 , H04L45/306 , H04L45/38 , H04L45/46 , H04L45/507 , H04L45/66 , H04L45/74 , H04L47/11 , H04L47/20 , H04L47/2441 , H04L47/2483 , H04L47/28 , H04L47/31 , H04L47/32 , H04L61/2007 , H04L63/0227 , H04L63/0263 , H04L63/06 , H04L63/0876 , H04L63/1408 , H04L63/1416 , H04L63/1425 , H04L63/1433 , H04L63/1441 , H04L63/145 , H04L63/1458 , H04L63/1466 , H04L63/16 , H04L63/20 , H04L67/10 , H04L67/1002 , H04L67/12 , H04L67/16 , H04L67/22 , H04L67/36 , H04L67/42 , H04L69/16 , H04L69/22 , H04W72/08 , H04W84/18
摘要： Systems, methods, and computer-readable media for updating configurations in sensors deployed in multi-layer virtualized environments. In some examples, a system can track information of sensors and collectors in the network. In response to determining that a specific collector becomes unavailable (e.g., the specific collector is down, offline or becomes unsupported), the system can determine affected sensors corresponding to the specific collector, determine a new collector among active collectors of the network for each of the affected sensors, and dynamically update configuration and settings of the affected sensors to maintain proper collector-to-sensor mappings and other settings on the affected sensors.
摘要翻译：用于更新在多层虚拟化环境中部署的传感器中的配置的系统，方法和计算机可读介质。在一些示例中，系统可以跟踪网络中的传感器和收集器的信息。响应于确定特定收集器变得不可用（例如，特定收集器关闭，离线或不被支持），系统可以确定与特定收集器相对应的受影响的传感器，确定网络的活动收集器中的每个的新收集器受影响的传感器，并动态更新受影响的传感器的配置和设置，以便在受影响的传感器上保持适当的收集器到传感器的映射和其他设置。

5. 发明申请

US20160359628A1 UNIQUE ID GENERATION FOR SENSORS 审中-公开
标题翻译：传感器的唯一ID生成
公开(公告)号：US20160359628A1
公开(公告)日：2016-12-08
申请号：US15163605
申请日：2016-05-24
申请人： Cisco Technology, Inc.
发明人： Abhishek Ranjan Singh , Shih-Chun Chang , Varun Sagar Malhotra , Hai Trong Vu , Jackson Ngoc Ki Pang
IPC分类号： H04L9/08 , H04L29/06 , G06F9/455 , H04L9/32
摘要： Systems, methods, and computer-readable media are provided for generating a unique ID for a sensor in a network. Once the sensor is installed on a component of the network, the sensor can send attributes of the sensor to a control server of the network. The attributes of the sensor can include at least one unique identifier of the sensor or the host component of the sensor. The control server can determine a hash value using a one-way hash function and a secret key, send the hash value to the sensor, and designate the hash value as a sensor ID of the sensor. In response to receiving the sensor ID, the sensor can incorporate the sensor ID in subsequent communication messages. Other components of the network can verify the validity of the sensor using a hash of the at least one unique identifier of the sensor and the secret key.
摘要翻译：系统，方法和计算机可读介质被提供用于为网络中的传感器生成唯一的ID。一旦传感器安装在网络的组件上，传感器就可以将传感器的属性发送到网络的控制服务器。传感器的属性可以包括传感器的至少一个唯一标识符或传感器的主机部件。控制服务器可以使用单向散列函数和秘密密钥来确定散列值，将散列值发送给传感器，并将散列值指定为传感器的传感器ID。响应于接收到传感器ID，传感器可以将传感器ID并入随后的通信消息中。网络的其他组件可以使用传感器的至少一个唯一标识符和秘密密钥的散列来验证传感器的有效性。

6. 发明申请

US20230118563A1 SYSTEM FOR MONITORING AND MANAGING DATACENTERS 有权
公开(公告)号：US20230118563A1
公开(公告)日：2023-04-20
申请号：US18054069
申请日：2022-11-09
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Shashidhar Gandham , Ellen Christine Scheib , Omid Madani , Ali Parandehgheibi , Jackson Ngoc Ki Pang , Vimalkumar Jeyakumar , Michael Standish Watts , Hoang Viet Nguyen , Khawar Deen , Rohit Chandra Prasad , Sunil Kumar Gupta , Supreeth Hosur Nagesh Rao , Anubhav Gupta , Ashutosh Kulshreshtha , Roberto Fernando Spadaro , Hai Trong Vu , Varun Sagar Malhotra , Shih-Chun Chang , Bharathwaj Sankara Viswanathan , Fnu Rachita Agasthy , Duane Thomas Barlow
IPC分类号： H04L9/40 , H04L43/04 , H04L43/0894
摘要： An example method includes detecting, using sensors, packets throughout a datacenter. The sensors can then send packet logs to various collectors which can then identify and summarize data flows in the datacenter. The collectors can then send flow logs to an analytics module which can identify the status of the datacenter and detect an attack.

7. 发明申请

US20210160157A1 TECHNOLOGIES FOR ANNOTATING PROCESS AND USER INFORMATION FOR NETWORK FLOWS 有权
公开(公告)号：US20210160157A1
公开(公告)日：2021-05-27
申请号：US17161903
申请日：2021-01-29
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Anubhav Gupta , Shashidhar Gandham , Jackson Ngoc Ki Pang , Shih-Chun Chang , Hai Trong Vu
IPC分类号： H04L12/26 , H04L29/06 , G06F9/455 , G06N20/00 , G06F21/55 , G06F21/56 , G06F16/28 , G06F16/2457 , G06F16/248 , G06F16/29 , G06F16/16 , G06F16/17 , G06F16/11 , G06F16/13 , G06F16/174 , G06F16/23 , G06F16/9535 , G06N99/00 , H04L9/32 , H04L12/24 , H04L12/715 , H04L12/723 , H04L29/08 , H04L12/851 , H04W84/18 , G06F21/53 , G06F3/0484 , H04L1/24 , H04W72/08 , H04L9/08 , H04J3/06 , H04J3/14 , H04L29/12 , H04L12/813 , H04L12/823 , H04L12/801 , H04L12/741 , H04L12/833 , H04L12/721 , G06F3/0482 , G06T11/20 , H04L12/841 , H04L12/725
摘要： Systems, methods, and computer-readable media for annotating process and user information for network flows. In some embodiments, a capturing agent, executing on a first device in a network, can monitor a network flow associated with the first device. The first device can be, for example, a virtual machine, a hypervisor, a server, or a network device. Next, the capturing agent can generate a control flow based on the network flow. The control flow may include metadata that describes the network flow. The capturing agent can then determine which process executing on the first device is associated with the network flow and label the control flow with this information. Finally, the capturing agent can transmit the labeled control flow to a second device, such as a collector, in the network.

8. 发明申请

US20200304523A1 SYSTEM FOR MONITORING AND MANAGING DATACENTERS 审中-公开
公开(公告)号：US20200304523A1
公开(公告)日：2020-09-24
申请号：US16899190
申请日：2020-06-11
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Shashidhar Gandham , Ellen Christine Scheib , Omid Madani , Ali Parandehgheibi , Jackson Ngoc Ki Pang , Vimalkumar Jeyakumar , Michael Standish Watts , Hoang Viet Nguyen , Khawar Deen , Rohit Chandra Prasad , Sunil Kumar Gupta , Supreeth Hosur Nagesh Rao , Anubhav Gupta , Ashutosh Kulshreshtha , Roberto Fernando Spadaro , Hai Trong Vu , Varun Sagar Malhotra , Shih-Chun Chang , Bharathwaj Sankara Viswanathan , Fnu Rachita Agasthy , Duane Thomas Barlow
IPC分类号： H04L29/06 , H04L12/26
摘要： An example method includes detecting, using sensors, packets throughout a datacenter. The sensors can then send packet logs to various collectors which can then identify and summarize data flows in the datacenter. The collectors can then send flow logs to an analytics module which can identify the status of the datacenter and detect an attack.

9. 发明申请

US20190081959A1 SYSTEM FOR MONITORING AND MANAGING DATACENTERS 审中-公开
公开(公告)号：US20190081959A1
公开(公告)日：2019-03-14
申请号：US16179027
申请日：2018-11-02
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Shashidhar Gandham , Ellen Christine Scheib , Omid Madani , Ali Parandehgheibi , Jackson Ngoc Ki Pang , Vimalkumar Jeyakumar , Michael Standish Watts , Hoang Viet Nguyen , Khawar Deen , Rohit Chandra Prasad , Sunil Kumar Gupta , Supreeth Hosur Nagesh Rao , Anubhav Gupta , Ashutosh Kulshreshtha , Roberto Fernando Spadaro , Hai Trong Vu , Varun Sagar Malhotra , Shih-Chun Chang , Bharathwaj Sankara Viswanathan , FNU Rachita Agasthy , Duane Thomas Barlow
IPC分类号： H04L29/06 , H04L12/26
CPC分类号： H04L63/1408 , H04L43/04 , H04L43/062 , H04L43/0894 , H04L63/02 , H04L63/1425
摘要： An example method includes detecting, using sensors, packets throughout a datacenter. The sensors can then send packet logs to various collectors which can then identify and summarize data flows in the datacenter. The collectors can then send flow logs to an analytics module which can identify the status of the datacenter and detect an attack.

10. 发明申请

US20160359889A1 TECHNOLOGIES FOR MANAGING COMPROMISED SENSORS IN VIRTUALIZED ENVIRONMENTS 审中-公开
标题翻译：在虚拟化环境中管理压缩传感器的技术
公开(公告)号：US20160359889A1
公开(公告)日：2016-12-08
申请号：US15171763
申请日：2016-06-02
申请人： Cisco Technology, Inc.
发明人： Navindra Yadav , Abhishek Ranjan Singh , Anubhav Gupta , Shashidhar Gandham , Jackson Ngoc Ki Pang , Shih-Chun Chang , Hai Trong Vu
IPC分类号： H04L29/06 , H04L12/26 , H04L12/24
CPC分类号： H04L43/045 , G06F3/0482 , G06F3/04842 , G06F3/04847 , G06F9/45558 , G06F16/122 , G06F16/137 , G06F16/162 , G06F16/17 , G06F16/173 , G06F16/174 , G06F16/1744 , G06F16/1748 , G06F16/2322 , G06F16/235 , G06F16/2365 , G06F16/24578 , G06F16/248 , G06F16/285 , G06F16/288 , G06F16/29 , G06F16/9535 , G06F21/53 , G06F21/552 , G06F21/566 , G06F2009/4557 , G06F2009/45587 , G06F2009/45591 , G06F2009/45595 , G06F2221/033 , G06F2221/2101 , G06F2221/2105 , G06F2221/2111 , G06F2221/2115 , G06F2221/2145 , G06N20/00 , G06N99/00 , G06T11/206 , H04J3/0661 , H04J3/14 , H04L1/242 , H04L9/0866 , H04L9/3239 , H04L9/3242 , H04L41/046 , H04L41/0668 , H04L41/0803 , H04L41/0806 , H04L41/0816 , H04L41/0893 , H04L41/12 , H04L41/16 , H04L41/22 , H04L43/02 , H04L43/04 , H04L43/062 , H04L43/08 , H04L43/0805 , H04L43/0811 , H04L43/0829 , H04L43/0841 , H04L43/0858 , H04L43/0864 , H04L43/0876 , H04L43/0882 , H04L43/0888 , H04L43/10 , H04L43/106 , H04L43/12 , H04L43/16 , H04L45/306 , H04L45/38 , H04L45/46 , H04L45/507 , H04L45/66 , H04L45/74 , H04L47/11 , H04L47/20 , H04L47/2441 , H04L47/2483 , H04L47/28 , H04L47/31 , H04L47/32 , H04L61/2007 , H04L63/0227 , H04L63/0263 , H04L63/06 , H04L63/0876 , H04L63/1408 , H04L63/1416 , H04L63/1425 , H04L63/1433 , H04L63/1441 , H04L63/145 , H04L63/1458 , H04L63/1466 , H04L63/16 , H04L63/20 , H04L67/10 , H04L67/1002 , H04L67/12 , H04L67/16 , H04L67/22 , H04L67/36 , H04L67/42 , H04L69/16 , H04L69/22 , H04W72/08 , H04W84/18
摘要： Systems, methods, and computer-readable media for managing compromised sensors in multi-tiered virtualized environments. In some embodiments, a system can receive, from a first capturing agent deployed in a virtualization layer of a first device, data reports generated based on traffic captured by the first capturing agent. The system can also receive, from a second capturing agent deployed in a hardware layer of a second device, data reports generated based on traffic captured by the second capturing agent. Based on the data reports, the system can determine characteristics of the traffic captured by the first capturing agent and the second capturing agent. The system can then compare the characteristics to determine a multi-layer difference in traffic characteristics. Based on the multi-layer difference in traffic characteristics, the system can determine that the first capturing agent or the second capturing agent is in a faulty state.
摘要翻译：用于管理多层虚拟化环境中的受感染传感器的系统，方法和计算机可读介质。在一些实施例中，系统可以从部署在第一设备的虚拟化层中的第一捕获代理接收基于由第一捕获代理捕获的流量生成的数据报告。系统还可以从部署在第二设备的硬件层中的第二捕获代理接收基于由第二捕获代理捕获的流量生成的数据报告。基于数据报告，系统可以确定由第一捕获代理和第二捕获代理捕获的流量的特征。然后，系统可以比较特征以确定交通特性的多层差异。基于流量特性的多层差异，系统可以确定第一捕获代理或第二捕获代理处于故障状态。

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