Secure WAN path selection at campus fabric edge

    公开(公告)号:US10992654B2

    公开(公告)日:2021-04-27

    申请号:US16104456

    申请日:2018-08-17

    Abstract: A method is performed by an access router of an enterprise network including a first edge router to communicate with a second edge router over a wide area network (WAN). The method includes receiving a packet from a first endpoint, receiving from a mapping service a network location of a second edge router for which the packet is destined and a security association (SA) to encrypt the packet from the access router to the second edge router, and generating for the first edge router one or more path selectors for WAN path selection. The method includes encrypting the packet using the SA, and adding to the encrypted IP packet, in clear text, the path selectors and outer encapsulation including the network location, to produce an encrypted tunnel packet. The method also includes forwarding the encrypted tunnel packet to the second edge router via the first edge router and the WAN.

    Updating distributed caches in network devices in the event of virtual machine changes in a virtualized network environment

    公开(公告)号:US10904201B1

    公开(公告)日:2021-01-26

    申请号:US14051704

    申请日:2013-10-11

    Abstract: Technologies are provided in example embodiments for associating a subscriber list to mapping data of a virtual machine, adding subscriber information of a network device to the subscriber list when a map request for the mapping data is received from the network device, and purging the subscriber information from the subscriber list when a preconfigured time period assigned to the subscriber information expires. In particular embodiments, the subscriber information includes an identification of the network device and the mapping data includes a virtual address of the virtual machine mapped to a physical address of the virtual machine. More specific embodiments include sending a notification signal with new mapping data of the virtual machine to each one of one or more network devices identified in corresponding subscriber information stored in the subscriber list. In further specific embodiments, the network device is either a map server or a map resolver.

    Stateful LISP subscription for overlapping subnetworks

    公开(公告)号:US10560421B2

    公开(公告)日:2020-02-11

    申请号:US15607248

    申请日:2017-05-26

    Abstract: A Location/Identifier Separation Protocol (LISP) mapping server, including: a network interface for communicating with a LISP-enabled network; a mapping database; a subscription database; and an overlapping subscription publication engine (OSPE) to: receive a first mapping of a first subnetwork to a first routing locator (RLOC); add the first mapping to the mapping database; receive from a first ingress tunnel router (ITR) a subscription request for an endpoint identifier (EID) within the first subnetwork; add to a first subscription entry for the first subnetwork in the subscription database a subscription for the first ITR; receive a second mapping of a second subnetwork to a second RLOC, wherein the second subnetwork overlaps the first subnetwork; add the second mapping to the mapping database; and copy at least part of the first subscription entry to a second subscription entry for the second subnetwork.

    Stateful LISP subscription for overlapping subnetworks

    公开(公告)号:US10999239B2

    公开(公告)日:2021-05-04

    申请号:US16715382

    申请日:2019-12-16

    Abstract: A Location/Identifier Separation Protocol (LISP) mapping server, including: a network interface for communicating with a LISP-enabled network; a mapping database; a subscription database; and an overlapping subscription publication engine (OSPE) to: receive a first mapping of a first subnetwork to a first routing locator (RLOC); add the first mapping to the mapping database; receive from a first ingress tunnel router (ITR) a subscription request for an endpoint identifier (EID) within the first subnetwork; add to a first subscription entry for the first subnetwork in the subscription database a subscription for the first ITR; receive a second mapping of a second subnetwork to a second RLOC, wherein the second subnetwork overlaps the first subnetwork; add the second mapping to the mapping database; and copy at least part of the first subscription entry to a second subscription entry for the second subnetwork.

    Inter-domain network tenant identifier

    公开(公告)号:US09699082B2

    公开(公告)日:2017-07-04

    申请号:US14010707

    申请日:2013-08-27

    CPC classification number: H04L45/745 H04L45/04 H04L45/741

    Abstract: In one embodiment, a method includes receiving a packet at a tunnel end point in a multi-tenant network, the packet comprising a destination, performing a lookup for the destination in a database comprising a mapping of global identifiers to local tenant identifiers for different hosting locations, each of the global identifiers uniquely identifying a tenant across all of the hosting locations, identifying a destination tunnel end point and a local tenant identifier for the destination, and inserting the destination tunnel end point and the local tenant identifier into the packet and forwarding the packet. An apparatus and logic are also disclosed herein.

    Enterprise network fabric extension across mobile networks

    公开(公告)号:US11533669B2

    公开(公告)日:2022-12-20

    申请号:US16395817

    申请日:2019-04-26

    Abstract: In one illustrative example, network fabric policy data associated with an application, subscriber, and/or device may be received. Mobile network policy data that corresponds to the received network fabric policy data may be selected, based on stored policy mappings between a set of network fabric policy profiles of a fabric network and a set of mobile network policy profiles of a mobile network. A bearer or Quality of Service (QoS) flow of the mobile network may be established in satisfaction of the selected mobile network policy data. In addition, a packet filter of a traffic flow template (TFT) or a packet detection rule (PDR) may be generated and applied in order to direct IP traffic flows associated with the application to the established bearer or QoS flow for communication in the mobile network.

Patent Agency Ranking