Towards a flow based resource scheduling algorithm in center control hybrid network
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    Abstract:

    In the hybrid center control networks, the flows of isomerization networks have its own regularity and characteristic. While ignoring the regularity of the flows in isomerization networks, the original single and stateless network resource scheduling algorithms which discretely maximize value can cause the problems such as the low utilization, easier to concuss, some delayed network traffic. The topological architecture of the hybrid network which combines normal network with centered intelligent controllable network was analyzed, specially aimed to the common problems such as the flow burst,unpredictable flow,path jam/connection shocking scene. Then the resource scheduling algorithm named POS and POS-FME based on expectation and status were proposed. The algorithms consider the running status of hybrid network, evaluate the available resources of the system, and match available resources for various flows in the system, and have a certain prediction effect. The algorithms avoid the scenes of low running efficiency in the hybrid network, improve the utilization rate by about 10%~30% im comparison with the traditional algorithm, and also reduce the concussion and average delay through experiments.

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History
  • Received:September 27,2017
  • Revised:
  • Adopted:
  • Online: January 17,2019
  • Published: December 28,2018
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