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    Systems and Methods for Creating an Integrated Layer 2-Layer 3 Hybrid VPN Network
    1.
    发明申请
    Systems and Methods for Creating an Integrated Layer 2-Layer 3 Hybrid VPN Network 审中-公开

    公开(公告)号：US20180309594A1

    公开(公告)日：2018-10-25

    申请号：US15492120

    申请日：2017-04-20

    申请人： AT&T Intellectual Property I, L.P.

    发明人： James Uttaro ,  Avinash Lingala

    IPC分类号： H04L12/46 ,  H04L29/08

    CPC分类号： H04L12/4641 ,  H04L69/321

    摘要： In an integrated Layer 2-layer 3 hybrid VPN network a Layer 3 provider edge device that runs in an EVPN domain and a Layer 3 VPN domain defines an interconnect point between the EVPN domain and the Layer 3 VPN domain. The Layer 3 provider edge device receives an IP prefix for a Layer 3 customer edge device disposed in the Layer 3 VPN domain. The Layer 3 provider edge device receives a MAC address, an IP address and a next hop address for an EVPN customer edge device disposed in the EVPN domain from an EVPN provider edge device disposed in the EVPN domain. The Layer 3 provider edge device leaks the IP prefix to the EVPN domain and transmits state information to the EVPN customer edge device.

    CARRIER GRADE NETWORK ADDRESS TRANSLATION ARCHITECTURE AND IMPLEMENTATION
    2.
    发明申请
    CARRIER GRADE NETWORK ADDRESS TRANSLATION ARCHITECTURE AND IMPLEMENTATION 有权

    公开(公告)号：US20220311735A1

    公开(公告)日：2022-09-29

    申请号：US17213070

    申请日：2021-03-25

    申请人： AT&T Intellectual Property I, L.P.

    发明人： Robert Sayko ,  Avinash Lingala

    IPC分类号： H04L29/12 ,  H04L12/741

    摘要： An example apparatus includes a first network interface to connect to a provider router in a core network, a second network to connect to an input/output (I/O) router in a local access network that includes a plurality of different endpoint devices, a routing block to determine a first set of data that is to be passed-through without receiving network address translation, and a processor, wherein the processor is to generate a plurality of virtual carrier grade network address translation (vCG-NAT) instances, wherein the plurality of vCG-NAT instances is to route a second set of data between the provider router and the I/O router, wherein the routing block is to route the second set of data to a correct vCG-NAT instance of the plurality of vCG-NAT instances based on routing information in the routing block.

    DYNAMIC PORT ALLOCATIONS IN CARRIER GRADE NETWORK ADDRESS TRANSLATION NETWORKS
    6.
    发明申请
    DYNAMIC PORT ALLOCATIONS IN CARRIER GRADE NETWORK ADDRESS TRANSLATION NETWORKS 有权

    公开(公告)号：US20220377044A1

    公开(公告)日：2022-11-24

    申请号：US17324015

    申请日：2021-05-18

    申请人： AT&T Intellectual Property I, L.P.

    发明人： Robert Sayko ,  Avinash Lingala

    IPC分类号： H04L29/12 ,  G06N20/00

    摘要： An example method includes receiving a domain name server (DNS) query initiated by an endpoint device, determining a current port assignment for the endpoint device, changing an allocation of ports for the endpoint device from the current port assignment based on a predicted port allocation need for a current communication session associated with the domain name server query, and performing a network address translation in accordance with the allocation of ports for the endpoint device.