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公开(公告)号：AU2014336967B2
公开(公告)日：2019-04-04
申请号：AU2014336967
申请日：2014-10-17
Applicant: CISCO TECHNOLOGY INC
Inventor： CHAPMAN MATTHEW
IPC: H04L12/427 , H04L49/111 , H04L49/9015
Abstract: A low-latency network interface and complementary data management protocols are disclosed in this specification. The data management protocols reduce dedicated control exchanges between the network interface and a corresponding host computing system by consolidating control data with network data. The network interface may also facilitate port forwarding and data logging without an external network switch.
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公开(公告)号：AU2004305790B2
公开(公告)日：2009-07-16
申请号：AU2004305790
申请日：2004-09-08
Applicant: CISCO TECHNOLOGY INC
Inventor： MEHTA NEELIMA , GOLSHAN ALI , WANG JEFFREY YM , SMITH MICHAEL , JANAKIRAMAN VENKATESH
Abstract: Method and devices are provided to form virtual switches for data networks. As noted above, the term “switch” as used herein will apply to switches, routers and similar network devices. Each virtual switch acts as a single logical unit, while encompassing at least two physical chassis. Accordingly, each virtual switch may be treated as a single point of management. Each virtual switch includes a master chassis and at least one slave chassis. The master chassis is configured to control the slave chassis. The master chassis includes at least one master supervisor card and the slave chassis includes at least one slave supervisor card. The master chassis and the slave chassis communicate via a virtual switch link according to a virtual switch link protocol.
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公开(公告)号：WO2023091380A1
公开(公告)日：2023-05-25
申请号：PCT/US2022/049871
申请日：2022-11-14
Applicant: CISCO TECHNOLOGY, INC.
Inventor： FILSFILS, Clarence , ABDELSALAM, Ahmed Mohamed, Ahmed , GANDHI, Rakesh , BHATTACHARYA, Jisu , CAMARILLO GARVIA, Pablo
IPC: H04L45/02 , H04L45/24 , H04L45/243 , H04L43/12
Abstract: This disclosure describes techniques for detecting and monitoring paths in a network. The techniques include causing a source node to generate probe packets to traverse a multiprotocol label switching (MPLS) network, for instance. In some examples, the probe packets include entropy values that correspond to individual equal-cost multi-path (ECMP) paths of the network. The probe packets may be received at an SDN controller from a sink node after traversing the network. Analysis of the probe packets allow path discovery and mapping of the entropy values to ECMP paths. The mapping of discovered paths may be used for optimization of network monitoring activities, including second subsequent probe packets over particular ECMP paths based on the mapped entropy values.
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公开(公告)号：WO2023076371A1
公开(公告)日：2023-05-04
申请号：PCT/US2022/047867
申请日：2022-10-26
Applicant: CISCO TECHNOLOGY, INC.
Inventor： MESTERY, Kyle Andrew Donald , PARLA, Vincent
IPC: H04L9/40
Abstract: Techniques for routing service mesh traffic based on whether the traffic is encrypted or unencrypted are described herein. The techniques may include receiving, from a first node of a cloud-based network, traffic that is to be sent to a second node of the cloud-based network and determining whether the traffic is encrypted or unencrypted. If it is determined that the traffic is encrypted, the traffic may be sent to the second node via a service mesh of the cloud‑based platform. Alternatively, or additionally, if it is determined that the traffic is unencrypted, the traffic may be sent to the second node via an encrypted tunnel. In some examples, the techniques may be performed at least partially by a program running on the first node of the cloud-based network, such as an extended Berkeley Packet Filter (eBPF) program, and the like.
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公开(公告)号：WO2023069830A1
公开(公告)日：2023-04-27
申请号：PCT/US2022/077258
申请日：2022-09-29
Applicant: CISCO TECHNOLOGY, INC.
Inventor： LEE, Yi Ho , LING, Tao , TUMMIDI, Ravi S. , WEBSTER, Mark A. , GOTHOSKAR, Prakash B.
Abstract: Fabrication-tolerant on-chip multiplexers and demultiplexers are provides via a lattice filter interleaver configured to receive an input signal including a plurality of individual signals and to produce a first interleaved signal with a first subset of the plurality of individual signals and a second interleaved signal with a second subset of the plurality of individual signals; a first Bragg interleaver configured to receive the first interleaved signal and produce a first output signal including a first individual signal of the plurality of individual signals and a second output signal including a second individual signal of the plurality of individual signals; and a second Bragg interleaver configured to receive the second interleaved signal and produce a third output signal including a third individual signal of the plurality of individual signals and a fourth output signal including a fourth individual signal of the plurality of individual signals.
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Patent Agency Ranking
公开(公告)号：WO2023069394A1
公开(公告)日：2023-04-27
申请号：PCT/US2022/046965
申请日：2022-10-18
Applicant: CISCO TECHNOLOGY, INC.
Inventor： KHAN, Amir
Abstract: Techniques and mechanisms for monitoring and processing telemetry information of an Internet Protocol version 6 (IPv6) packet in a network. The IPv6 packet includes an IPv6 header having a Segment Identifier (SID) field, and a function field. According to this disclosure, the function field may include a function associated with an operation for collecting telemetry information of a first node indicated by the SID field. When the function executed by the first node, it may collect the telemetry information from the first node, and export the telemetry information to a collector node. Further, the function may indicate an operation for collecting the telemetry information of a set of paths including one or more nodes, where the telemetry path can be changed dynamically. In this way, each node in the telemetry path may define a new path for collecting the telemetry information.
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公开(公告)号：WO2023044174A1
公开(公告)日：2023-03-23
申请号：PCT/US2022/047826
申请日：2022-10-26
Applicant: CISCO TECHNOLOGY, INC.
Inventor： PARLA, Vincent, E. , MESTERY, Kyle, Andrew Donald , DESHMUKH, Rajvardhan, Somraj , CAM-WINGET, Nancy, Patrica
Abstract: Techniques for encoding metadata representing a policy into a QUIC connection ID are described herein. A metadata-aware network including one or more enforcement nodes, a policy engine, and/or a connection datastore may be utilized to enforce a policy and route communications on a QUIC connection. The policy engine may be configured to encode metadata representing one or more network policies into a QUIC source connection ID (SCID) and/or may store a mapping between the SCID and a corresponding destination connection ID (DCID) in the connection datastore. The policy engine may communicate with a QUIC application server and/or one or more QUIC proxy nodes to encode the SCID into a QUIC packet. The enforcement nodes may access the metadata and enforce the policies via a connection ID included in a QUIC header of a QUIC packet or by performing a lookup in the connection datastore using the connection ID.
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公开(公告)号：WO2023043727A1
公开(公告)日：2023-03-23
申请号：PCT/US2022/043336
申请日：2022-09-13
Applicant: CISCO TECHNOLOGY, INC.
Inventor： PARLA, Vincent, E. , MESTERY, Kyle, Andrew, Donald
Abstract: Techniques for leveraging the MASQUE protocol to provide remote clients with full application access to private enterprise resources are described herein. One or more network nodes may be configured to execute a MASQUE proxy service to provide a remote client device with full access to an enterprise/private application resource executing on an application node and hosted in an enterprise/ application network, behind the MASQUE proxy service. In some examples, the MASQUE proxy service may execute on a single proxy node hosted at an edge of a cloud network or at an edge of an enterprise network. Additionally, or alternatively, a first instance of the MASQUE proxy service may execute on a first proxy node hosted at an edge of a cloud network (e.g., an ingress proxy node) and a second instance of the MASQUE proxy service may execute on a second proxy node hosted at an edge of the enterprise network.
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公开(公告)号：WO2023034136A1
公开(公告)日：2023-03-09
申请号：PCT/US2022/041645
申请日：2022-08-26
Applicant: CISCO TECHNOLOGY, INC.
Inventor： ACHKIR, D., Brice , PUNJABI, Shobhana, Ram , XUE, Jie
Abstract: A multi-layer substrate (110) stacking a plurality of insulating substrates supports one or more devices (112,114). Each substrate includes a face supporting conductive traces (140,142,144) and edges surrounding the face at a substantially perpendicular angle. The multi- layer substrate includes a ground plane (120) on a first substrate and a power plane (130) on a second substrate. The ground plane (120) is connected to at least one ground pad (122,124) disposed on a first edge of the first substrate, which provides a low inductance ground path to the ground plane (120). The power plane (130) is connected to at least one power pad (132) disposed on a second edge of the second substrate, which provides a low inductance power path to the power plane (130).
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公开(公告)号：WO2023023460A1
公开(公告)日：2023-02-23
申请号：PCT/US2022/074738
申请日：2022-08-10
Applicant: CISCO TECHNOLOGY, INC.
Inventor： NAINAR, Nagendra Kumar , BARTON, Robert E. , PIGNATARO, Carlos M. , HENRY, Jerome , BRINCKMAN, Bart A.
Abstract: Aspects of the disclosure include a method and associated network device. The method includes authenticating an identity of a user of a client device after the client device is associated with an access network provider. Authenticating the identity of the user comprises receiving, from an identity provider, a credential associated with the identity, and receiving, from the identity provider, information identifying a network- based service to be applied to network traffic with the client device. The method further includes establishing, using the credential and the received information, a secure connection between the access network provider and a service provider that is capable of providing the network-based service. The method further includes receiving network traffic from the service provider. Packets of the network traffic include an assurance value that enables the client device to determine that the network-based service is being provided by the service provider.
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