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Patent Agency Ranking
公开(公告)号：US11418491B2
公开(公告)日：2022-08-16
申请号：US16801430
申请日：2020-02-26
Applicant: Cisco Technology Inc.
Inventor： Balaji Sundararajan , Venkatesh Gota B R , Sireesha Yeruva , Chandramouli Balasubramanian , Anand Oswal
Abstract: The present disclosure is directed to systems and methods for dynamic firewall discovery on a service plane. The method includes the steps of identifying a source data packet for transmission from a source machine at a source site to a destination machine at a destination site, wherein the source data packet corresponds to a request for connection between the source machine and the destination machine over a WAN, inspecting the source data packet at a first firewall associated with the source site, marking the source data packet with a marker to indicate inspection by the first firewall, transmitting the marked source data packet to the destination site, determining at the destination site that the source data packet has been inspected based on the marker, and forwarding the source data packet to the destination machine at the destination site, without inspection of the source data packet by a second firewall associated with the destination site.
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公开(公告)号：US20230261963A1
公开(公告)日：2023-08-17
申请号：US17846647
申请日：2022-06-22
Applicant: Cisco Technology, Inc.
Inventor： Anubhav Gupta , Pritam Baruah , Laxmikantha Reddy Ponnuru , Sireesha Yeruva
Abstract: The subject matter of this disclosure relates in general to the field of computer networking, and more particularly, to systems and methods for discovery of a tunnel for wide area network. Certain aspects provide a method for network path analysis. The method includes sending a first probe packet configured to identify a network tunnel, wherein the first probe packet includes an identifier of the first probe packet and a first time to live (TTL) value that corresponds to a first network hop; receiving a first response message from the first network hop in the network tunnel, wherein the first response message corresponds to the first probe packet and includes the identifier of the first probe packet; and analyzing the network tunnel based on the first response message including the identifier of the first probe packet.
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公开(公告)号：US20210266291A1
公开(公告)日：2021-08-26
申请号：US16801430
申请日：2020-02-26
Applicant: Cisco Technology Inc.
Inventor： Balaji Sundararajan , Venkatesh Gota B R , Sireesha Yeruva , Chandramouli Balasubramanian , Anand Oswal
IPC: H04L29/06 , H04L12/741 , H04L1/18
Abstract: The present disclosure is directed to systems and methods for dynamic firewall discovery on a service plane. The method includes the steps of identifying a source data packet for transmission from a source machine at a source site to a destination machine at a destination site, wherein the source data packet corresponds to a request for connection between the source machine and the destination machine over a WAN, inspecting the source data packet at a first firewall associated with the source site, marking the source data packet with a marker to indicate inspection by the first firewall, transmitting the marked source data packet to the destination site, determining at the destination site that the source data packet has been inspected based on the marker, and forwarding the source data packet to the destination machine at the destination site, without inspection of the source data packet by a second firewall associated with the destination site.
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公开(公告)号：US12192179B2
公开(公告)日：2025-01-07
申请号：US17817479
申请日：2022-08-04
Applicant: Cisco Technology Inc.
Inventor： Balaji Sundararajan , Venkatesh Gota B R , Sireesha Yeruva , Chandramouli Balasubramanian , Anand Oswal
Abstract: The present disclosure is directed to systems and methods for dynamic firewall discovery on a service plane. The method includes the steps of identifying a source data packet for transmission from a source machine at a source site to a destination machine at a destination site, wherein the source data packet corresponds to a request for connection between the source machine and the destination machine over a WAN, inspecting the source data packet at a first firewall associated with the source site, marking the source data packet with a marker to indicate inspection by the first firewall, transmitting the marked source data packet to the destination site, determining at the destination site that the source data packet has been inspected based on the marker, and forwarding the source data packet to the destination machine at the destination site, without inspection of the source data packet by a second firewall associated with the destination site.
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公开(公告)号：US20220377053A1
公开(公告)日：2022-11-24
申请号：US17817479
申请日：2022-08-04
Applicant: Cisco Technology Inc.
Inventor： Balaji Sundararajan , Venkatesh Gota B R , Sireesha Yeruva , Chandramouli Balasubramanian , Anand Oswal
Abstract: The present disclosure is directed to systems and methods for dynamic firewall discovery on a service plane. The method includes the steps of identifying a source data packet for transmission from a source machine at a source site to a destination machine at a destination site, wherein the source data packet corresponds to a request for connection between the source machine and the destination machine over a WAN, inspecting the source data packet at a first firewall associated with the source site, marking the source data packet with a marker to indicate inspection by the first firewall, transmitting the marked source data packet to the destination site, determining at the destination site that the source data packet has been inspected based on the marker, and forwarding the source data packet to the destination machine at the destination site, without inspection of the source data packet by a second firewall associated with the destination site.
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