Patents by Inventor Christopher Philip Branch

Christopher Philip Branch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11949647
    Abstract: A tunnel is established between a first edge server of a distributed edge compute and routing service and a tunnel client residing on an origin server. Routing rules are installed in the edge servers of the distributed edge compute and routing service to reach the first edge server. The routing rules are based at least in part on traffic information gathered from processing other traffic that traverses the distributed edge compute and routing service. A request for content served by the origin server through the tunnel is received at a second edge server of the distributed edge compute and routing service. A path from the second edge server to the first edge server is determined based on the routing rules. The request is transmitted on the determined path. The first edge server receives the request and transmits the request to the origin server over the tunnel.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: April 2, 2024
    Assignee: CLOUDFLARE, INC.
    Inventors: Dane Orion Knecht, John Graham-Cumming, Dani Grant, Christopher Philip Branch, Tom Paseka
  • Patent number: 11882199
    Abstract: A request is received from a client device over a Virtual Private Network (VPN) tunnel. The request is received at a first one of a plurality of edge servers of a distributed cloud computing network. A destination of the request is determined and an optimized route for transmitting the request toward an origin server is determined. The optimized route is based at least in part on probe data between edge servers of the distributed cloud computing network. The request is transmitted to a next hop as defined by the optimized route.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: January 23, 2024
    Assignee: CLOUDFLARE, INC.
    Inventors: Christopher Philip Branch, Naga Sunil Tripirineni, Rustam Xing Lalkaka, Nick Wondra, Mohd Irtefa, Matthew Browning Prince, Andrew Taylor Plunk, Oliver Yu, Vlad Krasnov
  • Patent number: 11863448
    Abstract: Traffic optimization in virtual private networks (VPNs) is described. A client device establishes a first VPN connection with a first server according to a first VPN route configuration that specifies a first VPN route to the first server. Flow(s) of traffic is forwarded through the first VPN connection to the first server. The client device receives a second VPN route configuration that specifies a second VPN route to a second server of the plurality of servers for establishing a second VPN connection, where the second VPN connection satisfies a set of traffic optimization criteria. The client device establishes the second VPN connection with the second server according to the second VPN route configuration. Traffic is forwarded through the second VPN connection to the second server.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: January 2, 2024
    Assignee: CLOUDFLARE, INC.
    Inventors: Christopher Philip Branch, Dane Orion Knecht
  • Patent number: 11700321
    Abstract: A TCP intermediate device receives a SYN packet from a TCP client that is destined for a TCP origin server and indicates support for TCP fast open (TFO). A SYN-ACK packet is transmitted to the TCP client that includes a first TFO cookie set by the TCP intermediate device. An ACK packet is received from the TCP client. A SYN packet is sent to the TCP origin server and a second SYN-ACK packet is received in response that includes a second TFO cookie set by the TCP origin server. An ACK packet to the TCP origin server. Sometime after the TCP connection is completed, a SYN packet from the TCP client is received that includes the first TFO cookie and a payload of data. The TCP intermediate device modifies the SYN packet to include the second TFO cookie and transmits the modified SYN packet to the TCP origin server.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: July 11, 2023
    Assignee: CLOUDFLARE, INC.
    Inventor: Christopher Philip Branch
  • Publication number: 20230045757
    Abstract: An edge server of a distributed edge compute and routing service receives a tunnel connection request from a tunnel client residing on an origin server, that requests a tunnel be established between the edge server and the tunnel client. The request identifies the hostname that is to be tunneled. An IP address is assigned for the tunnel. DNS record(s) are added or changed that associate the hostname with the assigned IP address. Routing rules are installed in the edge servers of the distributed edge compute and routing service to reach the edge server for the tunneled hostname. The edge server receives a request for a resource of the tunneled hostname from another edge server that received the request from a client, where the other edge server is not connected to the origin server. The request is transmitted from the edge server to the origin server over the tunnel.
    Type: Application
    Filed: April 25, 2022
    Publication date: February 9, 2023
    Inventors: Dane Orion KNECHT, John GRAHAM-CUMMING, Dani GRANT, Christopher Philip BRANCH, Tom PASEKA
  • Patent number: 11563685
    Abstract: Method and apparatus for traffic optimization in virtual private networks (VPNs). A client device establishes a first VPN connection with a first server based on first VPN credentials. Traffic is transmitted and received through the first VPN connection to and from the first server. A second server is identified based on traffic optimization criteria that need to be satisfied by the VPN connection. Upon receipt of the identification of the second server the client device is to use the second server as a destination of a second VPN connection. The second VPN connection satisfies a set of traffic optimization goals for at least one flow from the flows forwarded through the first VPN connection. Based on the identification of the second server, the client device establishes the second VPN connection for the flow between the client device and the second server.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: January 24, 2023
    Assignee: CLOUDFLARE, INC.
    Inventors: Christopher Philip Branch, Dane Orion Knecht
  • Publication number: 20220400166
    Abstract: A request is received from a client device over a Virtual Private Network (VPN) tunnel. The request is received at a first one of a plurality of edge servers of a distributed cloud computing network. A destination of the request is determined and an optimized route for transmitting the request toward an origin server is determined. The optimized route is based at least in part on probe data between edge servers of the distributed cloud computing network. The request is transmitted to a next hop as defined by the optimized route.
    Type: Application
    Filed: August 22, 2022
    Publication date: December 15, 2022
    Inventors: Christopher Philip Branch, Naga Sunil Tripirineni, Rustam Xing Lalkaka, Nick Wondra, Mohd Irtefa, Matthew Browning Prince, Andrew Taylor Plunk, Oliver Yu, Vlad Krasnov
  • Patent number: 11425216
    Abstract: A request is received from a client device over a Virtual Private Network (VPN) tunnel. The request is received at a first one of a plurality of edge servers of a distributed cloud computing network. A destination of the request is determined and an optimized route for transmitting the request toward an origin server is determined. The optimized route is based at least in part on probe data between edge servers of the distributed cloud computing network. The request is transmitted to a next hop as defined by the optimized route.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: August 23, 2022
    Assignee: CLOUDFLARE, INC.
    Inventors: Christopher Philip Branch, Naga Sunil Tripirineni, Rustam Xing Lalkaka, Nick Wondra, Mohd Irtefa, Matthew Browning Prince, Andrew Taylor Plunk, Oliver Yu, Vlad Krasnov
  • Patent number: 11349934
    Abstract: A TCP intermediate device receives a first SYN packet from a TCP client to establish a TCP connection between the TCP client and a TCP origin server. Prior to the TCP connection being fully established, the TCP intermediate device transmits a second SYN packet to the TCP origin server. The TCP intermediate device transmits a first SYN-ACK packet to the TCP client. The TCP intermediate device receives a first ACK packet from the TCP client. The TCP intermediate device receives a second SYN-ACK packet from the TCP origin server. The TCP intermediate device transmits a second ACK packet to the TCP origin server as part of establishing the third TCP connection.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: May 31, 2022
    Assignee: CLOUDFLARE, INC.
    Inventor: Christopher Philip Branch
  • Patent number: 11316825
    Abstract: An edge server of a distributed edge compute and routing service receives a tunnel connection request from a tunnel client residing on an origin server, that requests a tunnel be established between the edge server and the tunnel client. The request identifies the hostname that is to be tunneled. An IP address is assigned for the tunnel. DNS record(s) are added or changed that associate the hostname with the assigned IP address. Routing rules are installed in the edge servers of the distributed edge compute and routing service to reach the edge server for the tunneled hostname. The edge server receives a request for a resource of the tunneled hostname from another edge server that received the request from a client, where the other edge server is not connected to the origin server. The request is transmitted from the edge server to the origin server over the tunnel.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: April 26, 2022
    Assignee: CLOUDFLARE, INC.
    Inventors: Dane Orion Knecht, John Graham-Cumming, Dani Grant, Christopher Philip Branch, Tom Paseka
  • Patent number: 11316787
    Abstract: Method and apparatus for traffic optimization in virtual private networks (VPNs). A client device establishes a first VPN connection with a first server based on first VPN credentials. Traffic is transmitted and received through the first VPN connection to and from the first server. A second server is identified based on traffic optimization criteria that need to be satisfied by the VPN connection. Upon receipt of the identification of the second server the client device is to use the second server as a destination of a second VPN connection. The second VPN connection satisfies a set of traffic optimization goals for at least one flow from the flows forwarded through the first VPN connection. Based on the identification of the second server, the client device establishes the second VPN connection for the flow between the client device and the second server.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 26, 2022
    Assignee: CLOUDFLARE, INC.
    Inventors: Christopher Philip Branch, Dane Orion Knecht
  • Publication number: 20220116326
    Abstract: Method and apparatus for traffic optimization in virtual private networks (VPNs). A client device establishes a first VPN connection with a first server based on first VPN credentials. Traffic is transmitted and received through the first VPN connection to and from the first server. A second server is identified based on traffic optimization criteria that need to be satisfied by the VPN connection. Upon receipt of the identification of the second server the client device is to use the second server as a destination of a second VPN connection. The second VPN connection satisfies a set of traffic optimization goals for at least one flow from the flows forwarded through the first VPN connection. Based on the identification of the second server, the client device establishes the second VPN connection for the flow between the client device and the second server.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Christopher Philip BRANCH, Dane Orion KNECHT
  • Publication number: 20220045934
    Abstract: A method and a VPN server for VPN route optimization are described. The VPN server establishes a first VPN connection with a first client device and a second VPN connection with a second client device. The VPN server determines that the first and second client devices are part of a same local network; and responsive to determining that the first and the second client devices are part of the same local network, transmits, to the first client device through the first VPN connection, a second public network address of the second client device, and to the second client device through the second VPN connection, a first public network address of the first client device. The transmission of the first and second public network addresses causes the first client device to determine an optimal route from the first client device to the second client device for the traffic in the VPN.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 10, 2022
    Inventor: Christopher Philip Branch
  • Publication number: 20220046118
    Abstract: A TCP intermediate device receives a SYN packet from a TCP client that is destined for a TCP origin server and indicates support for TCP fast open (TFO). A SYN-ACK packet is transmitted to the TCP client that includes a TFO cookie set by the TCP intermediate device. The TCP intermediate device receives a first ACK packet from the TCP client. A SYN packet is sent to the TCP origin server and a second SYN-ACK packet is received in response that does not indicate support for TFO. An ACK packet to the TCP origin server. Sometime after the TCP connection is completed, the TCP intermediate device receives a SYN packet from the TCP client that includes the TFO cookie and a payload of data. The TCP intermediate device establishes a TCP connection with the TCP origin server and transmits the payload of data to the TCP origin server.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 10, 2022
    Inventor: Christopher Philip Branch
  • Patent number: 11159652
    Abstract: A TCP intermediate device receives a SYN packet from a TCP client that is destined for a TCP origin server and indicates support for TCP fast open (TFO). A SYN-ACK packet is transmitted to the TCP client that includes a TFO cookie set by the TCP intermediate device. The TCP intermediate device receives a first ACK packet from the TCP client. A SYN packet is sent to the TCP origin server and a second SYN-ACK packet is received in response that does not indicate support for TFO. An ACK packet to the TCP origin server. Sometime after the TCP connection is completed, the TCP intermediate device receives a SYN packet from the TCP client that includes the TFO cookie and a payload of data. The TCP intermediate device establishes a TCP connection with the TCP origin server and transmits the payload of data to the TCP origin server.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: October 26, 2021
    Assignee: CLOUDFLARE, INC.
    Inventor: Christopher Philip Branch
  • Patent number: 11159420
    Abstract: A method and a VPN server for VPN route optimization are described. The VPN server establishes a first VPN connection with a first client device and a second VPN connection with a second client device. The VPN server determines that the first and second client devices are part of a same local network; and responsive to determining that the first and the second client devices are part of the same local network, transmits, to the first client device through the first VPN connection, a second public network address of the second client device, and to the second client device through the second VPN connection, a first public network address of the first client device. The transmission of the first and second public network addresses causes the first client device to determine an optimal route from the first client device to the second client device for the traffic in the VPN.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: October 26, 2021
    Assignee: CLOUDFLARE, INC.
    Inventor: Christopher Philip Branch
  • Publication number: 20210203728
    Abstract: A TCP intermediate device receives a first SYN packet from a TCP client to establish a TCP connection between the TCP client and a TCP origin server. Prior to the TCP connection being fully established, the TCP intermediate device transmits a second SYN packet to the TCP origin server. The TCP intermediate device transmits a first SYN-ACK packet to the TCP client. The TCP intermediate device receives a first ACK packet from the TCP client. The TCP intermediate device receives a second SYN-ACK packet from the TCP origin server. The TCP intermediate device transmits a second ACK packet to the TCP origin server as part of establishing the third TCP connection.
    Type: Application
    Filed: December 30, 2020
    Publication date: July 1, 2021
    Inventor: Christopher Philip Branch
  • Publication number: 20210203760
    Abstract: A TCP intermediate device receives a SYN packet from a TCP client that is destined for a TCP origin server and indicates support for TCP fast open (TFO). A SYN-ACK packet is transmitted to the TCP client that includes a TFO cookie set by the TCP intermediate device. The TCP intermediate device receives a first ACK packet from the TCP client. A SYN packet is sent to the TCP origin server and a second SYN-ACK packet is received in response that does not indicate support for TFO. An ACK packet to the TCP origin server. Sometime after the TCP connection is completed, the TCP intermediate device receives a SYN packet from the TCP client that includes the TFO cookie and a payload of data. The TCP intermediate device establishes a TCP connection with the TCP origin server and transmits the payload of data to the TCP origin server.
    Type: Application
    Filed: December 30, 2020
    Publication date: July 1, 2021
    Inventor: Christopher Philip Branch
  • Publication number: 20210067445
    Abstract: Method and apparatus for traffic optimization in virtual private networks (VPNs). A client device establishes a first VPN connection with a first server based on first VPN credentials. Traffic is transmitted and received through the first VPN connection to and from the first server. A second server is identified based on traffic optimization criteria that need to be satisfied by the VPN connection. Upon receipt of the identification of the second server the client device is to use the second server as a destination of a second VPN connection. The second VPN connection satisfies a set of traffic optimization goals for at least one flow from the flows forwarded through the first VPN connection. Based on the identification of the second server, the client device establishes the second VPN connection for the flow between the client device and the second server.
    Type: Application
    Filed: September 14, 2020
    Publication date: March 4, 2021
    Inventors: Christopher Philip BRANCH, Dane Orion KNECHT
  • Publication number: 20200336409
    Abstract: A method and a VPN server for VPN route optimization are described. The VPN server establishes a first VPN connection with a first client device and a second VPN connection with a second client device. The VPN server determines that the first and second client devices are part of a same local network; and responsive to determining that the first and the second client devices are part of the same local network, transmits, to the first client device through the first VPN connection, a second public network address of the second client device, and to the second client device through the second VPN connection, a first public network address of the first client device. The transmission of the first and second public network addresses causes the first client device to determine an optimal route from the first client device to the second client device for the traffic in the VPN.
    Type: Application
    Filed: April 17, 2019
    Publication date: October 22, 2020
    Inventor: Christopher Philip Branch