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Speculative Reservation Protocol


Stanford Reference:

11-305


Abstract


Congestion caused by hot-spot traffic can significantly degrade the performance of a computer network. Addressing this issue, Stanford researchers have developed a network congestion-control mechanism based on a speculative reservation protocol (SRP). This protocol prevents congestion caused by traffic hot-spots from negatively affecting the rest of the network. SRP is more robust and has a faster response time to congestion than the current congestion control protocols. Tests have shown that SRP efficiently handles congestion with fast transient response, low latency, minimum queuing requirements, and negligible impact on unrelated flows.

Stage of Research:
  • Experiments show that SRP responds almost instantaneously to the onset of congestion, faster than current method based on explicit congestion notification (ECN)
  • For benign traffic patterns, SRP has at most 25% latency and 3% bandwidth overhead compared to a baseline network without congestion control.
  • For bursty traffic patterns, SRP achieves a consistently higher saturation throughput than ECN and the baseline network by efficiently resolving transient
    hot-spots caused by bursty traffic.
  • Continued research to further optimize the performance of SRP as well as assessing its implementation costs.

  • Applications


    • Data centers and large scale, high speed computer networks

    Advantages


    • Fast and accurate response to the onset of network congestion
    • Effective congestion control for short network flows
    • Effective for a variety of network congestion scenarios without tuning
    • Prevents congestion from occurring, rather than responding after congestion occurs
    • More robust with a faster response time compared to current methods

    Publications



    Related Web Links



    Innovators & Portfolio



    Patent Status



    Date Released

     5/1/2014
     

    Licensing Contact


    Linda Chao, Senior Associate
    (650) 725-9408 (Direct)
    Login to Request Information

    [-] Map/Timeline

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    Related Keywords


    communications: networking   computer: hardware   Congestion Management   System networking   information management   data centers   high speed data communications   network architecture   information systems   information technology management   network management   networking   networking hardware   high performance computing   high-performance computing   router   telecommunications   communication hardware   hardware   optical hardware   
     

       

      

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