ETRI Journal

  • 제39권1호
  • /
  • Pages.41-50
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  • 2017
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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Time-Efficient Event Processing Using Provisioning-to-Signaling Method in Data Transport Systems Requiring Multiple Processors

  • Kim, Bup-Joong (Hyper-connected Communication Research Laboratory, ETRI, Daejeon and the College of Electrical & Computer Engineering, Chungbuk National University) ;
  • Ryoo, Jeong-dong (Hyer-connected Communication Research Laboratory, ETRI, Daejeon and the Korea University of Science and Technology) ;
  • Cho, Kyoungrok (College of Electrical & Computer Engineering, Chungbuk National University)
  • 투고 : 2016.03.31
  • 심사 : 2016.09.05
  • 발행 : 2017.02.01
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초록

In connection-oriented data transport services, data loss can occur when a service experiences a problem in its end-to-end path. To resolve the problem promptly, the data transport systems providing the service must quickly modify their internal configurations, which are distributed among different locations within each system. The configurations are modified through a series of problem (event) handling procedures, which are carried out by multiple control processors in the system. This paper proposes a provisioning-to-signaling method for inter-control-processor messaging to improve the time efficiency of event processing. This method simplifies the sharing of the runtime event, and minimizes the time variability caused by the amount of event data, which results in a decrease in the latency time and an increase in the time determinacy when processing global events. The proposed method was tested for an event that required 4,000 internal path changes, and was found to lessen the latency time of global event processing by about 50% compared with the time required for general methods to do the same; in addition, it reduced the impact of the event data on the event processing time to about 30%.

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