Invention Grant
US08879564B2 Method to accurately and securely determine propagation delay and distance between sending and receiving node in packet network using cut-through approach and packet network node for executing the method
有权
使用直通方法和分组网络节点来准确，安全地确定分组网络中发送和接收节点之间的传播延迟和距离的方法，用于执行该方法
- Patent Title: Method to accurately and securely determine propagation delay and distance between sending and receiving node in packet network using cut-through approach and packet network node for executing the method
- Patent Title (中): 使用直通方法和分组网络节点来准确，安全地确定分组网络中发送和接收节点之间的传播延迟和距离的方法，用于执行该方法
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Application No.: US13118514Application Date: 2011-05-30
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Publication No.: US08879564B2Publication Date: 2014-11-04
- Inventor: Hyun Surk Ryu , Geoffrey M. Garner , Cornelis Johannis Den Hollander , Fei Fei Feng , Kyu Hong Jung
- Applicant: Hyun Surk Ryu , Geoffrey M. Garner , Cornelis Johannis Den Hollander , Fei Fei Feng , Kyu Hong Jung
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: NSIP Law
- Priority: KR2006-84403 20060901
- Main IPC: H04L12/28
- IPC: H04L12/28 ; H04L12/56 ; G01R31/08 ; H04J1/16 ; H04L12/26 ; H04J3/06
Abstract:
A method and system for measuring a distance between nodes in a packet network are provided. The system and method include measuring and storing a departure time of a ping packet sent from a source node to a destination node, sending a response packet with respect to the ping packet from the destination node to the source node, cutting through the ping packet or response packet to a successive node or the destination node without an intermediate node delay, computing a round-trip time by measuring an arrival time of the response packet at the source node and measuring the distance between the nodes, based on the round-trip time and speed of the ping packet.
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