XIAO Yang, KIM Kiseon. Congestion Control of Di®erentiated ServiceNetwork[J]. Chinese Journal of Electronics, 2010, 19(1): 113-118.
Citation: XIAO Yang, KIM Kiseon. Congestion Control of Di®erentiated ServiceNetwork[J]. Chinese Journal of Electronics, 2010, 19(1): 113-118.

Congestion Control of Di®erentiated ServiceNetwork

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-01-05
  • The real application of Di®erentiated ser-
    vices (Di®Serv) network requires the Di®Serv routers
    to support di®erent data rates and time delays for the
    subscribers with di®erent priorities. However, classical
    routers and AQM algorithms for the routers can not meet
    the requirements. To solve the problems, this paper de-
    velops the schemes of Di®Serv edge router (DER) and
    Di®Serv core router (DCR) with multiqueues, classi¯er
    and scheduler and a Di®Serv AQM algorithm. The pro-
    posed Di®Serv AQM algorithm based on DER can process
    the heterogeneous and classi¯ed tra±c °ows. The Di®-
    Serv AQM algorithm is derived from two theorems about
    the congestion conditions of Di®Serv network in di®erent
    links, it can prevent the possible congestion and ensure the
    data rates and time delays for the subscribers with higher
    priorities. The system simulations validate the proposed
    Di®Serv routers and Di®Serv AQM algorithm.
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