Clock Synchronization Algorithm for Distributed Video Surveillance Based on PTP

  • Liu Xuehai
  • Tang Jin
Part of the Communications in Computer and Information Science book series (CCIS, volume 320)


In a distributed network, the clock synchronization accuracy is an important factor that affects the real-time performance of the network. In order to meet the requirements of high-precision of network clock synchronization, this paper conducts the research to the Precision Time Protocols (PTP), and elaborates the principle of the high-precision synchronization. A simulation was done for distributed video surveillance star network.The simulation results verified the correctness of the algorithm, at the same time, combined with the PTP, the simulation results were analyzed, a conclusion that path symmetry is a statistical concept was gotten and the star network time synchronization offset range was also obtained.


distributed systems clock synchronization PTP path symmetry synchronization offset 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Liu Xuehai
    • 1
    • 2
  • Tang Jin
    • 1
    • 2
  1. 1.Key Laboratory of Trustworthy Distributed Computing and Service (BUPT)Ministry of EducationChina
  2. 2.Automation SchoolBeijing University of Posts and TelecommunicationsBeijingChina

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