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公开(公告)号：US10326838B2
公开(公告)日：2019-06-18
申请号：US15449542
申请日：2017-03-03
Applicant: Microsoft Technology Licensing, LLC
Inventor： Ranjit Puri , Manish Tiwari , Madhan Sivakumar , Vikas Bhardwaj
Abstract: Methods, systems, and devices are described herein for modifying the monitoring of the health of a data center IP endpoint (such as VM) during live migration of the data center IP endpoint from a source host to a destination host. In one example, the described techniques may include receiving an indication that a virtual machine is going to be live migrated from a source host to a destination host. Next, evaluation of health probe responses originating from the virtual machine may be suspended for a time period. The time period may be selected based on the live migration. The evaluation of the probe responses originating from the virtual machine may be resumed upon completion of the time period. In some cases, a health probe status of the virtual machine may be migrated from the source host to the destination host.
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Patent Agency Ranking
公开(公告)号：US20180191471A1
公开(公告)日：2018-07-05
申请号：US15393888
申请日：2016-12-29
Applicant: Microsoft Technology Licensing, LLC
Inventor： Mahmoud Shawky Elhaddad , Ranjit Puri , Deepak Narula , Madhan Sivakumar , Vikas Bhardwaj , Harish Kumar Chandrappa , Daniel M. Firestone , Xuan Zou , Keith Loren Mange , Manish Tiwari , Keerthi Shankar
Abstract: An overlay network refers to a network that is implemented as various different virtual resources on a physical network referred to as an underlay network. Diagnostics are performed on the overlay network by injecting diagnostic packets from a source endpoint targeting a target endpoint. These endpoints can be in the overlay network, on-premises with the other endpoint but in a different overlay network, or off-premises form the other endpoint. The diagnostic packets include a data packet encapsulated with a diagnostic encapsulation header that can be removed by a network element in the underlay network to allow processing of the data packet, and then added back on. The network element maintains trace information that is a record of receipt of the diagnostic packet and operations performed on the diagnostic packet. A tracing service collects and analyzes this trace information from the various network elements.
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公开(公告)号：US20180139101A1
公开(公告)日：2018-05-17
申请号：US15352497
申请日：2016-11-15
Applicant: Microsoft Technology Licensing, LLC
Inventor： Ranjit Puri , Vikas Bhardwaj , Madhan Sivakumar , Manish Tiwari
CPC classification number: H04L41/12 , G06F9/4856 , H04L61/2507 , H04L67/10
Abstract: Methods, systems, and devices are described herein for facilitating live migration of a virtual machine from a source host to a destination host. In one aspect, a method for facilitating live migration may include obtaining connection state information corresponding to a configured communication link of a virtual machine associated with a source host. The method may further include migrating the connection state information to a destination host selected for live migration of the virtual machine. The method may additionally include modifying the connection state information based on the destination host to generate modified connection state information. The virtual machine, after live migration to the destination host, may be configured to maintain the configured communication link using the modified connection state information.
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公开(公告)号：US10686568B2
公开(公告)日：2020-06-16
申请号：US15393888
申请日：2016-12-29
Applicant: Microsoft Technology Licensing, LLC
Inventor： Mahmoud Shawky Elhaddad , Ranjit Puri , Deepak Narula , Madhan Sivakumar , Vikas Bhardwaj , Harish Kumar Chandrappa , Daniel M. Firestone , Xuan Zou , Keith Loren Mange , Manish Tiwari , Keerthi Shankar
Abstract: An overlay network refers to a network that is implemented as various different virtual resources on a physical network referred to as an underlay network. Diagnostics are performed on the overlay network by injecting diagnostic packets from a source endpoint targeting a target endpoint. These endpoints can be in the overlay network, on-premises with the other endpoint but in a different overlay network, or off-premises form the other endpoint. The diagnostic packets include a data packet encapsulated with a diagnostic encapsulation header that can be removed by a network element in the underlay network to allow processing of the data packet, and then added back on. The network element maintains trace information that is a record of receipt of the diagnostic packet and operations performed on the diagnostic packet. A tracing service collects and analyzes this trace information from the various network elements.
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公开(公告)号：US10264069B2
公开(公告)日：2019-04-16
申请号：US15449542
申请日：2017-03-03
Applicant: Microsoft Technology Licensing, LLC
Inventor： Ranjit Puri , Manish Tiwari , Madhan Sivakumar , Vikas Bhardwaj
Abstract: Methods, systems, and devices are described herein for modifying the monitoring of the health of a data center IP endpoint (such as VM) during live migration of the data center IP endpoint from a source host to a destination host. In one example, the described techniques may include receiving an indication that a virtual machine is going to be live migrated from a source host to a destination host. Next, evaluation of health probe responses originating from the virtual machine may be suspended for a time period. The time period may be selected based on the live migration. The evaluation of the probe responses originating from the virtual machine may be resumed upon completion of the time period. In some cases, a health probe status of the virtual machine may be migrated from the source host to the destination host.
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公开(公告)号：US20180091591A1
公开(公告)日：2018-03-29
申请号：US15449542
申请日：2017-03-03
Applicant: Microsoft Technology Licensing, LLC
Inventor： Ranjit Puri , Manish Tiwari , Madhan Sivakumar , Vikas Bhardwaj
CPC classification number: H04L67/1095 , H04L43/10 , H04L67/1027 , H04L67/1031 , H04L67/1097
Abstract: Methods, systems, and devices are described herein for modifying the monitoring of the health of a data center IP endpoint (such as VM) during live migration of the data center IP endpoint from a source host to a destination host. In one example, the described techniques may include receiving an indication that a virtual machine is going to be live migrated from a source host to a destination host. Next, evaluation of health probe responses originating from the virtual machine may be suspended for a time period. The time period may be selected based on the live migration. The evaluation of the probe responses originating from the virtual machine may be resumed upon completion of the time period. In some cases, a health probe status of the virtual machine may be migrated from the source host to the destination host.
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