公开(公告)号：US10172037B2

公开(公告)日：2019-01-01

申请号：US14942695

申请日：2015-11-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Akshya Kumar Singh ,  Anil Kumar Chandrupatla ,  Aeneas Sean Dodd-Noble ,  Prasannakumar Murugesan

IPC: H04W28/08 ,  H04W88/16

Abstract: Method for assisting load-balancing of subscriber sessions in a distributed mobile gateway (e.g. PGW, SGW, ePDG, or TWAG) comprising a plurality of distributed gateway instances (DGIs) is disclosed. Method includes receiving an advertisement of GTP fully qualified tunnel endpoints identifications (F-TEIDs) allocated to a first plurality of subscriber sessions, the sessions assigned to a first DGI of the DGIs. The advertisement indicates the first DGI as a recipient for data provided to the gateway and related to any of the first plurality of sessions. Method further includes storing an association between the GTP F-TEIDs of the advertisement and the first DGI, receiving a packet comprising data related to a subscriber session of the first plurality of sessions, identifying a F-TEID for the data of the received packet, identifying from stored association, that the F-TEID is associated with the first DGI, and forwarding data of the packet to the first DGI.

公开(公告)号：US20180101396A1

公开(公告)日：2018-04-12

申请号：US15290828

申请日：2016-10-11

Applicant: Cisco Technology, Inc.

Inventor： Akshya Kumar Singh ,  Aeneas Sean Dodd-Noble ,  Anil Kumar Chandrupatla ,  Jay Edward Lubomirski ,  Prasannakumar Murugesan

IPC: G06F9/455 ,  H04L12/24

CPC classification number: G06F9/45558 ,  G06F9/4401 ,  G06F2009/4557 ,  G06F2009/45579 ,  G06F2009/45583 ,  G06F2009/45595 ,  H04L41/0806

Abstract: Systems, methods, and computer-readable storage media for network association to virtualize network devices using device passthrough. In some examples, a system can determine one or more respective configuration parameters associated with one or more network interfaces on the system. Based on the networking information, the system can map the one or more respective configuration parameters to each corresponding network interface from the one or more network interfaces, to yield mapped interfaces-parameters. Next, the system can record the mapped interfaces-parameters to a data object accessible by a virtual machine on the system. The system can then configure the virtual machine to process the mapped interfaces-parameters as boot time parameters while spawning and launch the virtual machine based on the mapped interfaces-parameters.

公开(公告)号：US20170142613A1

公开(公告)日：2017-05-18

申请号：US14942695

申请日：2015-11-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Akshya Kumar Singh ,  Anil Kumar Chandrupatla ,  Aeneas Sean Dodd-Noble ,  Prasannakumar Murugesan

IPC: H04W28/08

CPC classification number: H04W28/08 ,  H04W88/16

Abstract: Method for assisting load-balancing of subscriber sessions in a distributed mobile gateway (e.g. PGW, SGW, ePDG, or TWAG) comprising a plurality of distributed gateway instances (DGIs) is disclosed. Method includes receiving an advertisement of GTP fully qualified tunnel endpoints identifications (F-TEIDs) allocated to a first plurality of subscriber sessions, the sessions assigned to a first DGI of the DGIs. The advertisement indicates the first DGI as a recipient for data provided to the gateway and related to any of the first plurality of sessions. Method further includes storing an association between the GTP F-TEIDs of the advertisement and the first DGI, receiving a packet comprising data related to a subscriber session of the first plurality of sessions, identifying a F-TEID for the data of the received packet, identifying from stored association, that the F-TEID is associated with the first DGI, and forwarding data of the packet to the first DGI.

公开(公告)号：US10949234B2

公开(公告)日：2021-03-16

申请号：US15290828

申请日：2016-10-11

Applicant: Cisco Technology, Inc.

Inventor： Akshya Kumar Singh ,  Aeneas Sean Dodd-Noble ,  Anil Kumar Chandrupatla ,  Jay Edward Lubomirski ,  Prasannakumar Murugesan

IPC: G06F9/455 ,  H04L12/24 ,  G06F9/4401

Abstract: Systems, methods, and computer-readable storage media for network association to virtualize network devices using device passthrough. In some examples, a system can determine one or more respective configuration parameters associated with one or more network interfaces on the system. Based on the networking information, the system can map the one or more respective configuration parameters to each corresponding network interface from the one or more network interfaces, to yield mapped interfaces-parameters. Next, the system can record the mapped interfaces-parameters to a data object accessible by a virtual machine on the system. The system can then configure the virtual machine to process the mapped interfaces-parameters as boot time parameters while spawning and launch the virtual machine based on the mapped interfaces-parameters.

公开(公告)号：US10079767B2

公开(公告)日：2018-09-18

申请号：US15181159

申请日：2016-06-13

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Hendrikus G. P. Bosch ,  Jeffrey Napper ,  Alessandro Duminuco ,  Humberto J. La Roche ,  Surendra M. Kumar ,  Aeneas Sean Dodd-Noble ,  Anil Kumar Chandrupatla

IPC: H04L12/851 ,  H04L12/801 ,  H04L12/803 ,  H04L29/08 ,  H04L12/713

CPC classification number: H04L47/2441 ,  H04L45/586 ,  H04L45/64 ,  H04L47/125 ,  H04L47/14 ,  H04L67/1076 ,  H04L67/2842

Abstract: A method is provided in one example embodiment and includes receiving at a network element a packet associated with a flow and determining whether a flow cache of the network element includes an entry for the flow indicating a classification for the flow. The method further includes, if the network element flow cache does not include an entry for the flow, punting the packet over a default path to a classifying service function, in which the classifying service function classifies the flow and determines a control plane service function for handling the flow, and receiving from the classifying service function a service path identifier (“SPI”) of a service path leading to the determined control plane service function. The flow is subsequently offloaded from the classifying service function to the network element.

公开(公告)号：US20170359265A1

公开(公告)日：2017-12-14

申请号：US15181159

申请日：2016-06-13

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Hendrikus G. P. Bosch ,  Jeffrey Napper ,  Alessandro Duminuco ,  Humberto J. La Roche ,  Surendra M. Kumar ,  Aeneas Sean Dodd-Noble ,  Anil Kumar Chandrupatla

IPC: H04L12/851 ,  H04L12/713 ,  H04L12/803 ,  H04L29/08 ,  H04L12/801

CPC classification number: H04L47/2441 ,  H04L45/586 ,  H04L47/125 ,  H04L47/14 ,  H04L67/1076 ,  H04L67/2842

Abstract: A method is provided in one example embodiment and includes receiving at a network element a packet associated with a flow and determining whether a flow cache of the network element includes an entry for the flow indicating a classification for the flow. The method further includes, if the network element flow cache does not include an entry for the flow, punting the packet over a default path to a classifying service function, in which the classifying service function classifies the flow and determines a control plane service function for handling the flow, and receiving from the classifying service function a service path identifier (“SPI”) of a service path leading to the determined control plane service function. The flow is subsequently offloaded from the classifying service function to the network element.