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    PRIVATE ALLOCATED NETWORKS OVER SHARED COMMUNICATIONS INFRASTRUCTURE
    1.
    发明申请
    PRIVATE ALLOCATED NETWORKS OVER SHARED COMMUNICATIONS INFRASTRUCTURE 有权

    公开(公告)号：US20230118165A1

    公开(公告)日：2023-04-20

    申请号：US18083538

    申请日：2022-12-18

    申请人： Nicira, Inc.

    发明人： W. Andrew Lambeth ,  Anupam Dalal ,  Borislav Deianov ,  Jun Xiao

    IPC分类号： H04L69/22 ,  H04L45/02 ,  H04L49/00 ,  H04L65/611 ,  H04L45/745 ,  H04L9/40 ,  H04L12/46 ,  H04L69/324 ,  H04L69/325

    摘要： Methods and systems for implementing private allocated networks in a virtual infrastructure are presented. One method operation creates virtual switches in one or more hosts in the virtual infrastructure. Each port in the virtual switches is associated with a private allocated network (PAN) from a group of possible PANs. In one embodiment, one or more PANs share the same physical media for data transmission. The intranet traffic within each PAN is not visible to nodes that are not connected to the each PAN. In another operation, the method defines addressing mode tables for the intranet traffic within each PAN. The entries in the addressing mode tables define addressing functions for routing the intranet traffic between the virtual switches, and different types of addressing functions are supported by the virtual switches.

    Signaling IP path tunnels for traffic engineering
    2.
    发明授权
    Signaling IP path tunnels for traffic engineering 有权

    公开(公告)号：US11632296B2

    公开(公告)日：2023-04-18

    申请号：US16588072

    申请日：2019-09-30

    申请人： Juniper Networks, Inc.

    发明人： Tarek Saad ,  Raveendra Torvi ,  Vishnu Pavan Beeram

    IPC分类号： H04L41/0806 ,  H04L41/0668 ,  H04L45/745 ,  H04L47/125 ,  H04L47/724 ,  H04L61/2592 ,  H04L47/10 ,  H04L61/5007 ,  H04L45/50

    摘要： In general, techniques are described for signaling IP path tunnels for traffic engineering using constraints in an IP network. For example, network devices, e.g., routers, of an IP network may compute an IP path using constraint information and establish the IP path using, for example, Resource Reservation Protocol, to signal the IP path without using MPLS. As one example, the egress router generates a path reservation signaling message that includes an egress IP address that is assigned for use by the routers on the IP path to send traffic of the data flow by encapsulating the traffic with the egress IP address and forwarding toward the egress router. As each router in the IP path receives the path reservation signaling message, the router configures a forwarding state to forward traffic encapsulated with the egress IP address to a next hop along the IP path toward the egress router.

    Facilitating distributed SNAT service
    4.
    发明授权
    Facilitating distributed SNAT service 有权

    公开(公告)号：US11616755B2

    公开(公告)日：2023-03-28

    申请号：US16931196

    申请日：2020-07-16

    申请人： VMware, Inc.

    发明人： Sami Boutros ,  Mani Kancherla ,  Jayant Jain ,  Anirban Sengupta

    IPC分类号： H04L61/256 ,  H04L61/2592 ,  H04L45/745 ,  H04L12/66 ,  H04L61/5007 ,  H04L101/659

    摘要： Some embodiments of the invention provide novel methods for facilitating a distributed SNAT (dSNAT) middlebox service operation for a first network at a host computer in the first network on which the dSNAT middlebox service operation is performed and a gateway device between the first network and a second network. The novel methods enable dSNAT that provides stateful SNAT at multiple host computers, thus avoiding the bottleneck problem associated with providing stateful SNAT at gateways and also significantly reduces the need to redirect packets received at the wrong host by using a capacity of off-the-shelf gateway devices to perform IPv6 encapsulation for IPv4 packets and assigning locally unique IPv6 addresses to each host executing a dSNAT middlebox service instance that are used by the gateway device.

    Systems and methods for dynamic layer 3 network connection
    5.
    发明授权
    Systems and methods for dynamic layer 3 network connection 有权

    公开(公告)号：US11616687B2

    公开(公告)日：2023-03-28

    申请号：US17730852

    申请日：2022-04-27

    申请人： Level 3 Communications, LLC

    发明人： Austin D. Ritchie

    IPC分类号： H04L41/0806 ,  H04L41/0869 ,  H04L45/745

    摘要： A dynamic controller to automatically generate layer 3 network connections between devices and/or networks associated with a virtual computing environment in response to a request for such connections is provided such that communications associated with the computing environment may be transmitted between the endpoints. For example, the dynamic controller may connect one or more cloud service provider networks, one or more customer-controlled data centers, one or more customer networks, and the like, based on information provided in a connection request. A layer 3 communication controller may also be instantiated within a core network that manages the flow of communications between the connected networks, such as by translating messages between the connected networks so that messages intended for a connected network may match the supported communication protocols of that network and/or providing one or more security features to the transmitted communications.

    Communication method, communications device, and communications system
    6.
    发明授权
    Communication method, communications device, and communications system 有权

    公开(公告)号：US11611509B2

    公开(公告)日：2023-03-21

    申请号：US17162660

    申请日：2021-01-29

    申请人： HUAWEI TECHNOLOGIES CO., LTD.

    发明人： Chongyang Hu

    IPC分类号： H04L45/745 ,  H04L12/46 ,  H04L45/00

    摘要： A communications method includes receiving, by a first provider edge (PE) device, a data packet from a second PE device and avoiding, by the first PE device, sending the data packet to the second PE device in response to determining that a source address of the data packet is the same as an address of the second PE device in an entry. The source address of the data packet is the same as the address of the second PE in the entry stored in the first PE device. A customer edge (CE) device is multi-homed to the first PE device and the second PE device in an all-active mode. The CE device is connected to the first PE device through a first connection and the second PE device through a second connection. The first connection and the second connection belonging to a same Ethernet segment.

    Signaling IP path tunnels for traffic engineering
    9.
    发明授权
    Signaling IP path tunnels for traffic engineering 有权

    公开(公告)号：US11606250B2

    公开(公告)日：2023-03-14

    申请号：US16588072

    申请日：2019-09-30

    申请人： Juniper Networks, Inc.

    发明人： Tarek Saad ,  Raveendra Torvi ,  Vishnu Pavan Beeram

    IPC分类号： H04L41/0806 ,  H04L41/0668 ,  H04L45/745 ,  H04L47/125 ,  H04L47/724 ,  H04L61/2592 ,  H04L47/10 ,  H04L61/5007 ,  H04L45/50

    摘要： In general, techniques are described for signaling IP path tunnels for traffic engineering using constraints in an IP network. For example, network devices, e.g., routers, of an IP network may compute an IP path using constraint information and establish the IP path using, for example, Resource Reservation Protocol, to signal the IP path without using MPLS. As one example, the egress router generates a path reservation signaling message that includes an egress IP address that is assigned for use by the routers on the IP path to send traffic of the data flow by encapsulating the traffic with the egress IP address and forwarding toward the egress router. As each router in the IP path receives the path reservation signaling message, the router configures a forwarding state to forward traffic encapsulated with the egress IP address to a next hop along the IP path toward the egress router.