Round trip time (RTT) measurement based upon sequence number

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United States of America Patent

PATENT NO 11902124
APP PUB NO 20230079606A1
SERIAL NO

18058091

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Systems, methods, and computer-readable media are provided for determining a packet's round trip time (RTT) in a network. A system can receive information of a packet sent by a component of the network and further determine an expected acknowledgement (ACK) sequence number associated with the packet based upon received information of the packet. The system can receive information of a subsequent packet received by the component and determine an ACK sequence number and a receiving time of the subsequent packet. In response to determining that the ACK sequence number of the subsequent TCP packet matches the expected ACK sequence number, the system can determine a round trip time (RTT) of the packet based upon the received information of the packet and the received information of the subsequent packet.

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Patent Owner(s)

  • CISCO TECHNOLOGY INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Attar, Mohammadreza Cambridge, US 2 0
Gandham, Shashidhar Fremont, US 70 4041
Jeyakumar, Vimalkumar Los Altos, US 40 2535
Singh, Abhishek Ranjan Pleasanton, US 52 2945
Spadaro, Roberto Fernando Milpitas, US 16 1163
Yadav, Navindra Cupertino, US 244 11738

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