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    SERVICE CHAINING IN FABRIC NETWORKS
    1.
    发明申请
    SERVICE CHAINING IN FABRIC NETWORKS 有权

    公开(公告)号：US20250062988A1

    公开(公告)日：2025-02-20

    申请号：US18938015

    申请日：2024-11-05

    Applicant: Cisco Technology, Inc.

    Inventor： Prakash C. Jain ,  Sanjay Kumar Hooda ,  Vinay Saini ,  Victor Manuel Moreno

    IPC: H04L45/586 ,  H04L12/46 ,  H04L45/00 ,  H04L45/02 ,  H04L45/302

    Abstract: Techniques are described herein for service chaining in fabric networks such that hardware resources can be preserved without service nodes needing additional capabilities. The techniques may include storing a first configuration associated with a first VRF instance of a service forwarding node that is connected to a first service of a service chain sequence. The first configuration may indicate an identifier and a type associated with a second service of the service chain sequence where traffic is to be sent after the first service. Additionally, the techniques may also include storing a second configuration associated with a second VRF instance of the service forwarding node that is connected to the second service. The second configuration may indicate that the second service is a last service of the service chain sequence. When traffic is received at the service forwarding node, the service forwarding node can determine whether the traffic is pre-service traffic or post-service traffic.

    Data sovereignty and service insertion in multisite network fabric
    2.
    发明授权
    Data sovereignty and service insertion in multisite network fabric 有权

    公开(公告)号：US12224931B2

    公开(公告)日：2025-02-11

    申请号：US17897634

    申请日：2022-08-29

    Applicant: Cisco Technology, Inc.

    Inventor： Prakash C. Jain ,  Vinay Saini ,  Sanjay Kumar Hooda

    IPC: H04L45/00 ,  H04L45/12

    Abstract: Techniques for a Software-Defined Networking (SDN) controller associated with a multisite network to implement jurisdictional data sovereignty polices in a multisite network, route network traffic flows between user sites and destination services over one or more provider sites, and/or perform a routing operation on the network traffic flow(s) based on the jurisdictional data sovereignty policies. The jurisdictional data sovereignty polices may be implemented using destination group tags (DGTs) and/or source group tags (SGTs). A secure access service edge (SASE) associated with the network controller may generate, store, and distribute the DGTs to provider sites and/or the SGTs to user sites. Based on the SGT and/or DGT associated with a network traffic flow, one or more services may be applied to the network traffic flow, and the network traffic flow may be routed through a particular region of a software-defined access (SDA) transit.

    Software defined access fabric without subnet restriction to a virtual network
    3.
    发明授权
    Software defined access fabric without subnet restriction to a virtual network 有权

    公开(公告)号：US12192057B2

    公开(公告)日：2025-01-07

    申请号：US18677720

    申请日：2024-05-29

    Applicant: Cisco Technology, Inc.

    Inventor： Sanjay Kumar Hooda ,  Muninder Singh Sambi ,  Victor Moreno ,  Prakash C. Jain ,  Tarunesh Ahuja ,  Satish Kondalam

    IPC: H04L41/0893 ,  G06F9/455 ,  H04L12/46

    Abstract: Systems, methods, and computer-readable storage media are provided for provisioning a common subnet across a number of subscribers and their respective virtual networks using dynamically generated network policies that provide isolation between the subscribers. The dynamic generation of the network policies is performed when a host (e.g. client) is detected (via a switch) as the host joins the computing network via virtual networks. This ability to configure a common subnet for all the subscriber virtual networks allows these subscribers to more easily access external shared services coming from a headquarter site while keeping the separation and segmentation of multiple subscriber virtual networks within a single subnet. This allows the Enterprise fabric to be more simple and convenient to deploy without making security compromises.

    Group-based policies for inter-domain traffic
    4.
    发明授权
    Group-based policies for inter-domain traffic 有权

    公开(公告)号：US12184539B2

    公开(公告)日：2024-12-31

    申请号：US18303493

    申请日：2023-04-19

    Applicant: Cisco Technology, Inc.

    Inventor： Anubhav Gupta ,  Rex Fernando ,  Sanjay Kumar Hooda ,  Syam Sundar Appala ,  Samir Thoria

    IPC: H04L45/302 ,  H04L12/28 ,  H04L45/74 ,  H04L47/20

    Abstract: In one embodiment, a method by an edge router configured to operate at a first site of a software-defined wide-area network includes receiving a data packet from a first host located in the first site, where the data packet is destined to a second host located in a second site, determining that an identifier of a second group to which the second host belongs is not available at the edge router, sending a request for an identifier of the second group to a network apparatus, where the request may comprise an address of the second host, receiving a response comprising the identifier of the second group from the network apparatus, determining that the second group is a destination group, applying one or more policies associated with the destination group to the data packet, and causing the data packet to be routed to the second host.

    EXIT INTERFACE SELECTION BASED ON INTERMEDIATE PATHS
    7.
    发明公开
    EXIT INTERFACE SELECTION BASED ON INTERMEDIATE PATHS 审中-公开

    公开(公告)号：US20240267326A1

    公开(公告)日：2024-08-08

    申请号：US18640438

    申请日：2024-04-19

    Applicant: Cisco Technology, Inc.

    Inventor： Sanjay Kumar Hooda ,  Anoop Vetleth ,  Himanshu Mehra ,  Rajeev Kumar

    IPC: H04L45/00 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/087

    CPC classification number: H04L45/70 ,  H04L43/0829 ,  H04L43/0858 ,  H04L43/087

    Abstract: Systems, methods, and computer-readable media are provided for performing secure frame encryption as a service. For instance, a network edge device can determine at least a first path and a second path for routing a data packet. The network edge device can obtain a first plurality of values for at least one network metric, wherein the first plurality of values corresponds to the first path and at least a first backup path associated with the first path. The network edge device can obtain a second plurality of values for the at least one network metric, wherein the second plurality of values corresponds to the second path and at least a second backup path associated with the second path. The network edge device can select a path for routing the data packet based on a comparison of the first plurality of values and the second plurality of values.

    ADAPTIVE MECHANISM FOR NETWORK COMMUNICATION
    8.
    发明公开
    ADAPTIVE MECHANISM FOR NETWORK COMMUNICATION 审中-公开

    公开(公告)号：US20240235991A9

    公开(公告)日：2024-07-11

    申请号：US17972119

    申请日：2022-10-24

    Applicant: Cisco Technology, Inc.

    Inventor： Prakash C. Jain ,  Vinay Saini ,  Sanjay Kumar Hooda

    IPC: H04L45/30 ,  H04L45/302

    CPC classification number: H04L45/30 ,  H04L45/302

    Abstract: This disclosure describes techniques for employing an adaptive mechanism in communications among network devices. Adaptive mechanism techniques may include adapting network operations relative to characteristics of devices and/or network access technologies or mechanisms used in the network. Adaptation may help to accommodate a wider variety of types of devices. For instance, adaptive mechanism techniques may include determining, based on characteristics of a device in the network, a forwarding mechanism to be used at an access device to forward data traffic from the device to another device via the network. As such, adaptive mechanism techniques may provide more efficient integration of devices within a complex network, thereby improving network operations.

    SERVICE CHAINING IN FABRIC NETWORKS
    9.
    发明公开
    SERVICE CHAINING IN FABRIC NETWORKS 审中-公开

    公开(公告)号：US20240137314A1

    公开(公告)日：2024-04-25

    申请号：US18545931

    申请日：2023-12-19

    Applicant: Cisco Technology, Inc.

    Inventor： Prakash C. Jain ,  Sanjay Kumar Hooda ,  Vinay Saini ,  Victor Manuel Moreno

    IPC: H04L45/586 ,  H04L45/00 ,  H04L45/02 ,  H04L45/302

    CPC classification number: H04L45/586 ,  H04L45/04 ,  H04L45/306 ,  H04L45/54 ,  H04L12/4633

    Abstract: Techniques are described herein for service chaining in fabric networks such that hardware resources can be preserved without service nodes needing additional capabilities. The techniques may include storing a first configuration associated with a first VRF instance of a service forwarding node that is connected to a first service of a service chain sequence. The first configuration may indicate an identifier and a type associated with a second service of the service chain sequence where traffic is to be sent after the first service. Additionally, the techniques may also include storing a second configuration associated with a second VRF instance of the service forwarding node that is connected to the second service. The second configuration may indicate that the second service is a last service of the service chain sequence. When traffic is received at the service forwarding node, the service forwarding node can determine whether the traffic is pre-service traffic or post-service traffic.

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