GAO Lei, LAI Mingche, GONG Zhenghu, “A Highly-effcient Approach of Parallel Access toRouting Table on TBGP,” Chinese Journal of Electronics, vol. 19, no. 1, pp. 13-17, 2010,
Citation: GAO Lei, LAI Mingche, GONG Zhenghu, “A Highly-effcient Approach of Parallel Access toRouting Table on TBGP,” Chinese Journal of Electronics, vol. 19, no. 1, pp. 13-17, 2010,

A Highly-effcient Approach of Parallel Access toRouting Table on TBGP

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-01-05
  • The urgent requirement for the high-
    e±ciency of routing protocol on Internet will be satis¯ed by
    exploiting the Threaded border gateway protocol (TBGP)
    on multicores. Since TBGP performance is restricted by
    a mass of contentions when accessing routing table, an
    e±cient parallel access approach is proposed to achieve
    the ultra-high route processing. This paper presents a
    novel routing table structure including two-level tries, and
    a heuristic-based divide-and-recombine algorithm is de-
    vised to balance the accesses and release the contentions
    by multi-threading. Experimental results on Intel Xeon
    server show that the parallel access contentions under dif-
    ferent thread con¯gurations decrease by 98.7% averagely.
    Meanwhile, the maximal update time per thread is obvi-
    ously reduced and the throughput of update message is
    improved by 153%, delivering signi¯cant performance improvement of BGP.
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