公开(公告)号：US10791431B2

公开(公告)日：2020-09-29

申请号：US15823361

申请日：2017-11-27

Applicant: Cisco Technology, Inc.

Inventor： Konstantin Livanos ,  Ian McDowell Campbell ,  Malgorzata Kaczmarska-Wojtania

IPC: H04W4/08 ,  H04W76/12 ,  H04W48/00 ,  H04W76/40 ,  H04W8/04 ,  H04W8/18 ,  H04W60/04 ,  H04W4/70

Abstract: Methods and apparatus for use in establishing a group session in a mobile network for subscribers associated with a group are described. In one illustrative example, an access and mobility management function (AMF) entity receives, from a user equipment (UE), a request for registration which includes network slice selection assistance information (NSSAI). The NSSAI includes a group identifier associated with a group of subscribers. The AMF entity sends, to a unified data management (UDM) entity, a request for subscriber data which includes the group identifier. The AMF entity receives, from the UDM, a response to the request for subscriber data which includes a plurality of subscriber identifiers corresponding to the subscribers of the group. For a group session, the AMF entity creates a context associated with the group identifier and stores the context locally.

公开(公告)号：US10555165B2

公开(公告)日：2020-02-04

申请号：US15795532

申请日：2017-10-27

Applicant: Cisco Technology, Inc.

Inventor： Ravi Shekhar ,  Ameo Ghosh ,  Sharad Chandra ,  Humberto Jose La Roche ,  Ian McDowell Campbell

IPC: H04W4/00 ,  H04W8/20 ,  G06F16/951 ,  H04W8/18 ,  H04W12/06

Abstract: Methods and apparatus for use in reducing signal latency in a mobile network with use of localized Unified Data Management (UDM) entities are described. For example, the technique may employ a plurality of localized UDMs, where each localized UDM is associated with a unique location area. A localized UDM provides for storage of, in a localized Unified Data Repository (UDR), subscriber profile data associated with a subscriber of user equipment (UE). The subscriber profile data stored in the localized UDR may be a replica or copy of at least a subset of subscriber profile data for the subscriber stored in a UDR of a “centralized” UDM. Query access to the localized UDR may be provided for network functions (NFs) or subscriber/UEs. The replica or copy of subscriber profile data may be stored in the localized UDR for those subscribers having use in the location area.

公开(公告)号：US20190327177A1

公开(公告)日：2019-10-24

申请号：US16458829

申请日：2019-07-01

Applicant: Cisco Technology, Inc.

Inventor： Prasannakumar Murugesan ,  Ajeet Pal Singh Gill ,  Aeneas Sean Dodd-Noble ,  David A. Johnson ,  Ian McDowell Campbell

IPC: H04L12/851 ,  H04L12/721 ,  G06F13/00 ,  G06F13/12

Abstract: In accordance with various implementations, a method is performed at a data plane node with one or more processors, non-transitory memory, and a control interface between a network function module associated with the data plane node and a switch associated with the data plane node. The method includes determining whether an offload capability is available for a data flow received at an ingress network interface of the data plane node. The method also includes determining whether the data flow satisfies offload criteria in response to determining that the offload capability is available. The method includes bypassing the network function module associated with the data plane node and providing the data flow to at least one of the switch associated with the data plane node or an egress network interface associated with the data plane node in response to determining the offload capability is available and the offload criteria is satisfied.

公开(公告)号：US20190097939A1

公开(公告)日：2019-03-28

申请号：US15713230

申请日：2017-09-22

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Prasannakumar Murugesan ,  Ajeet Pal Singh Gill ,  David A. Johnson ,  Ian McDowell Campbell ,  Ravinandan Arakali

IPC: H04L12/863

CPC classification number: H04L47/6255 ,  H04L41/20 ,  H04L43/0888 ,  H04L49/3063 ,  H04W28/0231

Abstract: In one embodiment, a method includes assigning a number of threads for user plane functions to a corresponding number of transmit queues for transmission of packets on a network interface, assigning additional threads exceeding the number of transmit queues to software transmission queues associated with the threads assigned to the transmit queues, identifying a load at each of the threads, dynamically updating assignment of the additional threads to the software transmission queues based on the load at the threads, and transmitting packets from the transmit queues for transmission on a network from a physical interface at a network device. An apparatus and logic are also disclosed herein.

公开(公告)号：US20180367321A1

公开(公告)日：2018-12-20

申请号：US15624592

申请日：2017-06-15

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Timothy P. Stammers ,  Ian McDowell Campbell

IPC: H04L12/14 ,  H04L12/851 ,  H04L12/801 ,  H04W4/24 ,  H04W12/08 ,  H04W12/10

CPC classification number: H04L12/1407 ,  H04L43/026 ,  H04L47/2441 ,  H04L47/35 ,  H04L63/0428 ,  H04L63/08 ,  H04W4/24 ,  H04W12/08 ,  H04W12/10

Abstract: An example method is provided in one example embodiment and may include generating a content token, wherein the content token is generated for a particular content type of a particular application service based on a trust relationship established between the particular application service and a mobile service provider; and embedding the content token in one or more packets of a plurality of packets sent to a user equipment (UE) for one or more Internet Protocol (IP) flows associated with the particular content type, wherein the content token is embedded in an unencrypted portion of each packet that is separate from an encrypted data payload portion of each packet.

公开(公告)号：US20180219958A1

公开(公告)日：2018-08-02

申请号：US15666644

申请日：2017-08-02

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Alon Shlomo Bernstein ,  Ian McDowell Campbell ,  John T. Chapman

IPC: H04L29/08 ,  H04L12/24

CPC classification number: H04L67/16 ,  H04L41/0813 ,  H04L41/0893

Abstract: One embodiment is a method including extending a policy server to provide per subscriber policies to a cable modem (CM) and a cable modem termination system (CMTS), receiving, at the policy server, a request for a policy profile from a cable modem termination system (CMTS), accessing a subscriber database to determine the policy profile, and communicating the policy profile to the CMTS. In an example, the policy server is a packet cable multimedia policy server of a cable network.

公开(公告)号：US09762402B2

公开(公告)日：2017-09-12

申请号：US14717887

申请日：2015-05-20

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Robert M. Batz ,  Ian McDowell Campbell ,  Hendrikus G. P. Bosch

IPC: H04L12/14 ,  H04L29/08 ,  H04L29/12 ,  H04M15/00 ,  H04L12/26 ,  H04L12/24

CPC classification number: H04L12/1407 ,  H04L12/1403 ,  H04L41/0893 ,  H04L41/5096 ,  H04L43/028 ,  H04L61/25 ,  H04L61/2514 ,  H04L61/6068 ,  H04L67/1002 ,  H04L67/14 ,  H04M15/66 ,  H04M15/8044 ,  H04M15/8214

Abstract: A method is provided in one example embodiment and may include receiving a first Internet protocol (IP) flow for an IP session for a subscriber; selecting a first service function group from a plurality of service function groups to perform one or more services for the IP session for the subscriber, wherein each of the plurality of service function groups comprises a plurality of service function chain types and wherein each service function chain type comprises an ordered combination of one or more service functions; assigning the IP session for the subscriber to the first service function group; and forwarding the first IP flow for the IP session of the subscriber across a first service function chain type for the first service function group based, at least in part, on a service policy for the subscriber.

公开(公告)号：US20160226669A1

公开(公告)日：2016-08-04

申请号：US14612827

申请日：2015-02-03

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Konstantin Livanos ,  Ian McDowell Campbell

IPC: H04L12/14 ,  H04M15/00

CPC classification number: H04L12/1407 ,  H04L41/0893 ,  H04L67/10 ,  H04L67/1002 ,  H04M15/66 ,  H04W4/24

Abstract: A method is provided in one example embodiment and may include establishing a first binding for a first session for a UE, wherein the first binding includes, at least in part, PCEF connectivity information for a PCEF associated with a PGW hosting the first session for the UE, wherein the first binding is established by a first DRA in a first IP domain; receiving a request by second DRA in a second IP domain associated with establishing a second session for the UE; determining a PCRF serving the first session for the UE; and binding the second session for the UE with the first session for the UE. A method is provided in another example embodiment and may include exchanging PCEF connectivity information over a Dr interface between a plurality DRAs and maintaining PCEF connectivity information for one or more peer DRAs to which each DRA is connected.

Abstract translation: 在一个示例性实施例中提供了一种方法，并且可以包括建立用于UE的第一会话的第一绑定，其中，所述第一绑定至少部分地包括与用于为所述第一会话主持第一会话的PGW相关联的PCEF的PCEF连接信息 UE，其中所述第一绑定由第一IP域中的第一DRA建立; 在与为UE建立第二会话相关联的第二IP域中接收第二DRA的请求; 确定为所述UE服务所述第一会话的PCRF; 并将UE的第二会话与用于UE的第一会话绑定。 在另一示例性实施例中提供了一种方法，并且可以包括通过多个DRA之间的Dr接口交换PCEF连接性信息，并维护每个DRA所连接的一个或多个对等DRA的PCEF连接信息。

公开(公告)号：US09379931B2

公开(公告)日：2016-06-28

申请号：US14279724

申请日：2014-05-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Hendrikus G. P. Bosch ,  Ian McDowell Campbell ,  Humberto J. La Roche ,  James N. Guichard ,  Surendra M. Kumar ,  Paul Quinn ,  Alessandro Duminuco ,  Jeffrey Napper ,  Ravi Shekhar

IPC: H04W4/00 ,  H04L29/06 ,  H04W28/02 ,  H04L12/24

CPC classification number: H04L29/06 ,  H04L41/0896 ,  H04L41/5054 ,  H04W28/0268

Abstract: An example method is provided in one example embodiment and may include receiving a packet for a subscriber at a gateway, wherein the gateway includes a local policy anchor for interfacing with one or more policy servers and one or more classifiers for interfacing with one or more service chains, each service chain including one or more services accessible by the gateway; determining a service chain to receive the subscriber's packet; appending the subscriber's packet with a header, wherein the header includes, at least in part, identification information for the subscriber and an Internet Protocol (IP) address for the local policy anchor; and injecting the packet including the header into the service chain determined for the subscriber.

公开(公告)号：US20150334595A1

公开(公告)日：2015-11-19

申请号：US14279724

申请日：2014-05-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Hendrikus G. P. Bosch ,  Ian McDowell Campbell ,  Humberto J. La Roche ,  James N. Guichard ,  Surendra M. Kumar ,  Paul Quinn ,  Alessandro Duminuco ,  Jeffrey Napper ,  Ravi Shekhar

IPC: H04W28/02 ,  H04L12/24

CPC classification number: H04L29/06 ,  H04L41/0896 ,  H04L41/5054 ,  H04W28/0268

Abstract: An example method is provided in one example embodiment and may include receiving a packet for a subscriber at a gateway, wherein the gateway includes a local policy anchor for interfacing with one or more policy servers and one or more classifiers for interfacing with one or more service chains, each service chain including one or more services accessible by the gateway; determining a service chain to receive the subscriber's packet; appending the subscriber's packet with a header, wherein the header includes, at least in part, identification information for the subscriber and an Internet Protocol (IP) address for the local policy anchor; and injecting the packet including the header into the service chain determined for the subscriber.

Abstract translation: 在一个示例性实施例中提供了示例性方法，并且可以包括在网关处接收订户的分组，其中所述网关包括用于与一个或多个策略服务器进行接口的本地策略锚点以及用于与一个或多个服务 每个服务链包括由网关可访问的一个或多个服务; 确定服务链以接收订户的分组; 用标题附加订户的分组，其中该报头至少部分地包括用户的标识信息和用于本地策略锚的因特网协议（IP）地址; 以及将包括所述头部的分组注入到为所述用户确定的服务链中。