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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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An Ethernet Ring Protection Method to Minimize Transient Traffic by Selective FDB Advertisement

  • Lee, Kwang-Koog (Broadcasting & Telecommunications Convergence Research Laboratory, ETRI, Department of Engineering, University of Science and Technology) ;
  • Ryoo, Jeong-Dong (Broadcasting & Telecommunications Convergence Research Laboratory, ETRI, Department of Engineering, University of Science and Technology) ;
  • Min, Seung-Wook (Division of Computer Science, Sangmyung University)
  • Received : 2009.06.08
  • Accepted : 2009.07.30
  • Published : 2009.10.31
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Abstract

We introduce an improved Ethernet ring protection method, selective filtering database (FDB) advertisement, to minimize traffic overshoot in the event of a failure or recovery. On the protection switching event, the proposed method makes all ring nodes perform an FDB flush except the FDB entries associated with their client subnets. Then, ring nodes rapidly exchange their client MAC address lists so that their FDBs are immediately updated by indirect MAC address learning. The proposed scheme guarantees fast and reliable protection switching over the standard scheme.

Keywords

References

  1. ITU-T Rec. G.8032, Ethernet Ring Protection Switching, ITU-T, Geneva, 2008
  2. J. Ryoo et al., “OAM and Its Performance Monitoring Mechanisms for Carrier Ethernet Transport Networks,” IEEE Commun. Mag., vol. 46, no. 3, Mar. 2008, pp. 97-103. https://doi.org/10.1109/MCOM.2008.4463778
  3. J. Ryoo et al., “Ethernet Ring Protection for Carrier Ethernet Networks,” IEEE Commun. Mag., vol. 46, no. 9, Sept. 2008, pp. 136-143.
  4. J.K. Rhee et al, “Ethernet Ring Protection Using Filtering Database Flip Scheme for Minimum Capacity Requirement,” ETRI J., vol. 30, no. 6, Dec. 2008, pp. 874-876. https://doi.org/10.4218/etrij.08.0208.0253
  5. OPNET Technologies Inc. http://www.opnet .com.

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