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    USING CLIENT-HELLO FOR INTELLIGENT ROUTING AND FIREWALLING IN MULTIPATH SECURE ACCESS SYSTEMS
    1.
    发明申请
    USING CLIENT-HELLO FOR INTELLIGENT ROUTING AND FIREWALLING IN MULTIPATH SECURE ACCESS SYSTEMS 有权

    公开(公告)号：US20250119471A1

    公开(公告)日：2025-04-10

    申请号：US18376676

    申请日：2023-10-04

    Applicant: Cisco Technology, Inc.

    Inventor： Vincent E. Parla ,  Jerome Tollet ,  Aloys Christophe Augustin ,  Mohammed Hawari

    IPC: H04L67/141 ,  H04L9/40

    Abstract: Techniques for utilizing a portion of a communication session identifier (e.g., a Session-ID, an SPI, a CID, a DCID, and/or the like) to indicate a target routing device (e.g., a VPN and/or ZTNA termination device) for establishing control plane session(s) and/or data plane session(s) at wire-speed in a networked computing environment. The routing device(s) of a networked computing environment may generate a communication session identifier and send the communication session identifier to the client device, such that subsequent packets send from the client device may be forwarded to the proper routing device indicated by the communication session identifier for establishment of one or more data plane sessions. Additionally, data plane sessions may be established using a Resumed Handshake rather than a full handshake that is typically required, as Session Resumption utilizes the assigned communication session identifier for mapping.

    Distributed resilient load-balancing for multipath transport protocols
    2.
    发明授权
    Distributed resilient load-balancing for multipath transport protocols 有权

    公开(公告)号：US11570239B2

    公开(公告)日：2023-01-31

    申请号：US16853048

    申请日：2020-04-20

    Applicant: Cisco Technology, Inc.

    Inventor： Yoann Desmouceaux ,  Pierre Pfister ,  Aloys Augustin ,  Mohammed Hawari

    IPC: H04L67/1023 ,  H04L45/24 ,  H04L69/163 ,  H04L69/164 ,  H04L69/165 ,  H04L67/146 ,  H04L67/01

    Abstract: Techniques are described for providing a distributed application load-balancing architecture that supports multipath transport protocol for client devices connecting to an application service. Rather than having client devices generate new network five-tuples for new subflows to the application servers, the techniques described herein include shifting the burden to the application servers to ensure that the new network five-tuples land in the same bucket in the consistent hashing table. The application servers may receive a hashing function utilized by the load balancers to generate the hash of the network five-tuple. By having the application servers generate the hashes, the load balancers are able to continue stateless, low-level processing of the packets to route them to the correct application servers. In this way, additional subflows can be opened for client devices according to a multipath transport protocol while ensuring that the subflows are routed to the correct application server.

    SMART SERVICE DISCOVERY TO INTERCONNECT CLUSTERS HAVING OVERLAPPING IP ADDRESS SPACE
    4.
    发明申请
    SMART SERVICE DISCOVERY TO INTERCONNECT CLUSTERS HAVING OVERLAPPING IP ADDRESS SPACE 有权

    公开(公告)号：US20230111266A1

    公开(公告)日：2023-04-13

    申请号：US17498333

    申请日：2021-10-11

    Applicant: Cisco Technology, Inc.

    Inventor： Aloys Christophe Augustin ,  Mohammed Hawari ,  Nathan Roland Maryan Skrzypczak ,  Jérôme Tollet

    IPC: H04L29/12 ,  H04L12/46

    Abstract: An approach to establish connections between clusters having overlapping IP address ranges. A method includes receiving, at a service discovery server, from a first node in a first cluster, a service discovery request including a unique name, determining, at the service discovery server, that the unique name resolves to a destination IP address of a second node in a second cluster, determining that the destination IP address overlaps with an IP address range associated with the first cluster, in response to determining that the destination IP address overlaps with the IP address range belonging to the first cluster, configuring a gateway to expect a network connection request from the first node that includes an IP address of the gateway, and sending a service discovery response to the first node, the service discovery response including the IP address of the gateway, but not the destination IP address.

    TWO-LEVEL CACHE ARCHITECTURE FOR LIVE VIDEO STREAMING THROUGH HYBRID ICN
    5.
    发明申请
    TWO-LEVEL CACHE ARCHITECTURE FOR LIVE VIDEO STREAMING THROUGH HYBRID ICN 有权

    公开(公告)号：US20220345507A1

    公开(公告)日：2022-10-27

    申请号：US17862755

    申请日：2022-07-12

    Applicant: Cisco Technology, Inc.

    Inventor： Jordan François Jean Augé ,  Jacques Olivier Samain ,  Mohammed Hawari ,  Alberto Compagno

    IPC: H04L65/61 ,  H04L65/1023

    Abstract: A method is provided that is performed by a smart network interface card (SmartNIC) that is in communication with a host device that serves as a forwarder in an Hybrid Information-Centric Network (hICN). The method includes storing in a memory of the SmartNIC, mapping information that maps a subset of names of content contained in a content store that is stored in a memory of the host device to corresponding addresses of the content. The method further includes receiving at the SmartNIC, from a requester, an interest that includes a name, and determining whether the name of the interest is included in the mapping information stored in the SmartNIC. The method includes processing the interest based on whether the name of the interest is contained in the mapping information stored in the memory of the SmartNIC.

    DISTRIBUTED RESILIENT LOAD-BALANCING FOR MULTIPATH TRANSPORT PROTOCOLS
    6.
    发明申请
    DISTRIBUTED RESILIENT LOAD-BALANCING FOR MULTIPATH TRANSPORT PROTOCOLS 有权

    公开(公告)号：US20210329069A1

    公开(公告)日：2021-10-21

    申请号：US16853048

    申请日：2020-04-20

    Applicant: Cisco Technology, Inc.

    Inventor： Yoann Desmouceaux ,  Pierre Pfister ,  Aloys Augustin ,  Mohammed Hawari

    IPC: H04L29/08 ,  H04L12/707 ,  H04L29/06

    Abstract: Techniques are described for providing a distributed application load-balancing architecture that supports multipath transport protocol for client devices connecting to an application service. Rather than having client devices generate new network five-tuples for new subflows to the application servers, the techniques described herein include shifting the burden to the application servers to ensure that the new network five-tuples land in the same bucket in the consistent hashing table. The application servers may receive a hashing function utilized by the load balancers to generate the hash of the network five-tuple. By having the application servers generate the hashes, the load balancers are able to continue stateless, low-level processing of the packets to route them to the correct application servers. In this way, additional subflows can be opened for client devices according to a multipath transport protocol while ensuring that the subflows are routed to the correct application server.

    VIRTUAL ROUTER FUNCTION SHARDING FOR SCALABLE MULTI-TENANT ROUTING
    7.
    发明申请
    VIRTUAL ROUTER FUNCTION SHARDING FOR SCALABLE MULTI-TENANT ROUTING 有权

    公开(公告)号：US20240406101A1

    公开(公告)日：2024-12-05

    申请号：US18325431

    申请日：2023-05-30

    Applicant: Cisco Technology, Inc.

    Inventor： Mohammed Hawari ,  Jerome Tollet ,  Benoit Ganne ,  Arthur de Kerhor

    IPC: H04L45/586 ,  H04L12/46 ,  H04L45/00 ,  H04L45/745

    Abstract: Proposed herein at techniques for scalable network traffic steering in a multi-tenant network. In one aspect, a method includes receiving, at an ingress of a multi-tenant network, a data packet, the data packet including a Virtual Network Identifier (VNI) identifying a corresponding tenant for the data packet in the multi-tenant network, and determining, at the ingress, a corresponding cluster of routers for processing the data packet based on the VNI, wherein the corresponding cluster of routers is one of a plurality of clusters of routers in the multi-tenant network. The method further includes forwarding the data packet to a router in the corresponding cluster of routers for processing.

    Computer network packet transmission timing
    8.
    发明授权
    Computer network packet transmission timing 有权

    公开(公告)号：US12052332B2

    公开(公告)日：2024-07-30

    申请号：US17162098

    申请日：2021-01-29

    Applicant: Cisco Technology, Inc.

    Inventor： Mohammed Hawari ,  Andre Surcouf

    IPC: H04L69/28 ,  H03M13/09 ,  H04J3/06 ,  H04L49/90

    CPC classification number: H04L69/28 ,  H03M13/09 ,  H04J3/0644 ,  H04J3/065 ,  H04L49/9078

    Abstract: Establishing an expected transmit time at which a network interface controller (NIC) is expected to transmit a next packet. Enqueuing, with the NIC and before the expected transmit time, a packet P1 to be transmitted at the expected transmit time. Upon enqueuing P1, incrementing the expected transmit time by an expected transmit duration of P1. Transmitting at the NIC's line rate and timestamping enqueued P1 with its actual transmit time. Adjusting the expected transmit time by a difference between P1's actual transmit and P1's expected transmit time. Requesting, before completion of transmitting P1, to transmit a P2 at time t(P2). Enqueuing, in sequence, zero or more P0, such that the current expected transmit time plus the duration of the transmission of the P0s at the line rate equals t(P2). Transmitting at the line rate each enqueued P0. Upon enqueuing each P0, incrementing, for each P0, the expected transmit time by the expected transmit duration of the P0. Enqueuing P2 for transmission directly following enqueuing the final P0. Transmitting, by the NIC, enqueued P2 at t(P2).

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