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    FLOW GENERATION FROM SECOND LEVEL CONTROLLER TO FIRST LEVEL CONTROLLER TO MANAGED SWITCHING ELEMENT
    2.
    发明公开
    FLOW GENERATION FROM SECOND LEVEL CONTROLLER TO FIRST LEVEL CONTROLLER TO MANAGED SWITCHING ELEMENT 审中-公开

    公开(公告)号：US20230421410A1

    公开(公告)日：2023-12-28

    申请号：US18244243

    申请日：2023-09-09

    Applicant: Nicira, Inc.

    Inventor： Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang ,  Daniel J. Wendlandt

    IPC: H04L12/66 ,  H04L45/02 ,  H04L41/044

    CPC classification number: H04L12/66 ,  H04L45/04 ,  H04L41/044

    Abstract: A network system that includes a first set of network hosts in a first domain and a second set of network hosts in a second domain. Within each of the domains, the system includes several edge switching elements (SEs) that each couple to the network hosts and forward network data to and from the set of network hosts. Within the first domain, the system includes (i) an interior SE that couples to a particular edge SE in order to receive network data for forwarding from the edge SE when the edge SE does not recognize a destination location of the network data and (ii) an interconnection SE that couples to the interior SE, the edge SE, and the second domain through an external network. When the edge SE receives network data with a destination address in the second domain, it forwards the network data directly to the interconnection SE.

    FLOW GENERATION FROM SECOND LEVEL CONTROLLER TO FIRST LEVEL CONTROLLER TO MANAGED SWITCHING ELEMENT
    5.
    发明申请
    FLOW GENERATION FROM SECOND LEVEL CONTROLLER TO FIRST LEVEL CONTROLLER TO MANAGED SWITCHING ELEMENT 有权

    公开(公告)号：US20210184898A1

    公开(公告)日：2021-06-17

    申请号：US17175548

    申请日：2021-02-12

    Applicant: Nicira, Inc.

    Inventor： Teemu Koponen ,  Martin Casado ,  Pankaj Thakkar ,  Ronghua Zhang ,  Daniel J. Wendlandt

    IPC: H04L12/66 ,  H04L12/715 ,  H04L12/24

    Abstract: A network system that includes a first set of network hosts in a first domain and a second set of network hosts in a second domain. Within each of the domains, the system includes several edge switching elements (SEs) that each couple to the network hosts and forward network data to and from the set of network hosts. Within the first domain, the system includes (i) an interior SE that couples to a particular edge SE in order to receive network data for forwarding from the edge SE when the edge SE does not recognize a destination location of the network data and (ii) an interconnection SE that couples to the interior SE, the edge SE, and the second domain through an external network. When the edge SE receives network data with a destination address in the second domain, it forwards the network data directly to the interconnection SE.

    Multi-domain interconnect
    6.
    发明授权
    Multi-domain interconnect 有权

    公开(公告)号：US10931481B2

    公开(公告)日：2021-02-23

    申请号：US16248605

    申请日：2019-01-15

    Applicant: Nicira, Inc.

    Inventor： Martin Casado ,  Teemu Koponen ,  Pankaj Thakkar

    IPC: H04L12/935 ,  H04L12/931 ,  G06F13/00 ,  H04L12/58 ,  H04L12/66 ,  H04L12/715 ,  H04L12/24

    Abstract: A network system that includes a first set of network hosts in a first domain and a second set of network hosts in a second domain. Within each of the domains, the system includes several edge switching elements (SEs) that each couple to the network hosts and forward network data to and from the set of network hosts. Within the first domain, the system includes (i) an interior SE that couples to a particular edge SE in order to receive network data for forwarding from the edge SE when the edge SE does not recognize a destination location of the network data and (ii) an interconnection SE that couples to the interior SE, the edge SE, and the second domain through an external network. When the edge SE receives network data with a destination address in the second domain, it forwards the network data directly to the interconnection SE.

    Network operating system for managing and securing networks
    8.
    发明授权
    Network operating system for managing and securing networks 有权

    公开(公告)号：US10749736B2

    公开(公告)日：2020-08-18

    申请号：US15838317

    申请日：2017-12-11

    Applicant: Nicira, Inc.

    Inventor： Martin Casado ,  Keith E. Amidon ,  Peter J. Balland, III ,  Natasha Gude ,  Justin Pettit ,  Benjamin L. Pfaff ,  Scott J. Shenker ,  Daniel J. Wendlandt

    IPC: H04L12/24 ,  H04L12/26

    Abstract: Systems and methods for managing a network are described. A view of current state of the network is maintained where the current state of the network characterizes network topology and network constituents, including network entities and network elements residing in or on the network. Events are announced that correspond to changes in the state of the network and one or more network elements can be configured accordingly. Methods for managing network traffic are described that ensure forwarding and other actions taken by network elements implement globally declared network policy and refer to high-level names, independently of network topology and the location of network constituents. Methods for discovering network constituents are described, whereby are automatically configured. Routing may be performed using ACL and packets can be intercepted to permit host to continue in sleep mode. The methods are applicable to virtual environments.

    Reporting elephant flows to a network controller
    9.
    发明授权
    Reporting elephant flows to a network controller 有权

    公开(公告)号：US10158538B2

    公开(公告)日：2018-12-18

    申请号：US14231654

    申请日：2014-03-31

    Applicant: Nicira, Inc.

    Inventor： Justin Pettit ,  Martin Casado ,  Teemu Koponen ,  Bruce Davie ,  W. Andrew Lambeth

    IPC: H04L12/801 ,  H04L12/26 ,  H04L12/803 ,  H04L12/947 ,  H04L12/935

    Abstract: Some embodiments provide a system that detects whether a flow is an elephant flow; and if so, the system treats it differently than a mouse flow. The system of some embodiment detect elephants based on one or more of the following: statistics associated with a flow, packet segment size, and invoked system calls. Also, some embodiments use one or more various methods to handle elephant flows. Examples of such methods include marking each packet belonging to an elephant with a particular marking, breaking the elephants into mice, reporting the elephant to a network controller, and selectively choosing a route for each packet belonging to the elephant.

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