SCIENTIA SINICA Informationis, Volume 50 , Issue 4 : 576-587(2020) https://doi.org/10.1360/N112019-00009

Research on FPGA acceleration technology of DNS authoritative server

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  • ReceivedJan 15, 2019
  • AcceptedMay 14, 2019
  • PublishedApr 1, 2020



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  • Figure 1

    PHDR_ Pipe architecture

  • Figure 2

    An example of perfect Hash function lookup

  • Table 1   The common record types of zone file
    Record type Meaning
    SOA Authoritative information
    NS Domain name server
    MX Mail server
    A IPv4 address
    AAAA IPv6 address
    CNAME Alias
  • Table 2   Experimental equipment information
    Equipment name Version / Model
    BIND9 1:9.10.3.dfsg.P4-8ubuntu1.10
    Operating system Ubuntu 16.04 LTS
    Kernel Linux 4.4.0-31-generic
    CPU Intel Xeon E5-3650
    FPGA Arria$^\circledR$ 10 10AS027H3F34E2SG
    Network tester IXIA XM2-P0633116
  • Table 3   Resource occupancy information
    Resource type Used Total Usage ratio (%)
    Adaptive logic modules (ALMs) 1431 101620 1.41
    Block memory (bits) 366592 15360000 2.39
    Registers 2298