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    CACHING IN A CONTENT DELIVERY FRAMEWORK
    136.
    发明公开
    CACHING IN A CONTENT DELIVERY FRAMEWORK 审中-公开

    公开(公告)号：US20240080373A1

    公开(公告)日：2024-03-07

    申请号：US18388844

    申请日：2023-11-12

    Applicant: Level 3 Communications, LLC

    Inventor： Christopher Newton ,  William Crowder

    IPC: H04L67/5682 ,  H04L9/40 ,  H04L67/02 ,  H04L67/568

    CPC classification number: H04L67/5682 ,  H04L9/40 ,  H04L67/02 ,  H04L67/568 ,  H04L67/34

    Abstract: A computer-implemented method, operable with a content delivery network (CDN) uses late binding of caching policies; by a caching node in the CDN, in response to a request for content, determining if the content is cached locally. When it is determined that said content is cached locally, then: determining a current cache policy associated with the content; and then determining, based on said current cache policy associated with the content, whether it is acceptable to serve the content that is cached locally; based on said determining, when it is not acceptable to serve the content that is cached locally, obtaining a new version of the content and then serving the new version of the content, otherwise when it is acceptable to serve the content that is cached locally, serving the content that is cached locally.

    Event driven route control
    137.
    发明授权
    Event driven route control 有权

    公开(公告)号：US11757932B2

    公开(公告)日：2023-09-12

    申请号：US17968839

    申请日：2022-10-19

    Applicant: Level 3 Communications, LLC

    Inventor： Robert Smith ,  Shawn Marck ,  Christopher Newton

    IPC: H04L9/40

    CPC classification number: H04L63/1458 ,  H04L63/20

    Abstract: Embodiments provide system and methods for a DDoS service using a mix of mitigation systems (also called scrubbing centers) and non-mitigation systems. The non-mitigation systems are less expensive and thus can be placed at or near a customer's network resource (e.g., a computer, cluster of computers, or entire network). Under normal conditions, traffic for a customer's resource can go through a mitigation system or a non-mitigation system. When an attack is detected, traffic that would have otherwise gone through a non-mitigation system is re-routed to a mitigation system. Thus, the non-mitigation systems can be used to reduce latency and provide more efficient access to the customer's network resource during normal conditions. Since the non-mitigation servers are not equipped to respond to an attack, the non-mitigation systems are not used during an attack, thereby still providing protection to the customer network resource using the mitigation systems.

    EVENT DRIVEN ROUTE CONTROL
    140.
    发明申请
    EVENT DRIVEN ROUTE CONTROL 有权

    公开(公告)号：US20230041892A1

    公开(公告)日：2023-02-09

    申请号：US17968839

    申请日：2022-10-19

    Applicant: Level 3 Communications, LLC

    Inventor： Robert Smith ,  Shawn Marck ,  Christopher Newton

    IPC: H04L9/40

    Abstract: Embodiments provide system and methods for a DDoS service using a mix of mitigation systems (also called scrubbing centers) and non-mitigation systems. The non-mitigation systems are less expensive and thus can be placed at or near a customer's network resource (e.g., a computer, cluster of computers, or entire network). Under normal conditions, traffic for a customer's resource can go through a mitigation system or a non-mitigation system. When an attack is detected, traffic that would have otherwise gone through a non-mitigation system is re-routed to a mitigation system. Thus, the non-mitigation systems can be used to reduce latency and provide more efficient access to the customer's network resource during normal conditions. Since the non-mitigation servers are not equipped to respond to an attack, the non-mitigation systems are not used during an attack, thereby still providing protection to the customer network resource using the mitigation systems.

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