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  1. CernVM
  2. CVM-1649

Add cernvm wpad and backup proxies

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Details

    • Improvement
    • Status: Resolved
    • High
    • Resolution: Fixed
    • None
    • None
    • CERNVM
    • None
    • x86_64-slc6-gcc48-opt

    Description

      Make a cernvm-wpad service that returns one of these things in this order:
      1. If at a recognized grid site: the WLCG squids + cvmfs backup proxies.
      2. If there have been more than N requests from the same ISP during the last M minutes, return cernvm backup proxies. Make N and M configurable, but perhaps 100 in 60 minutes is a good first guess.
      3. Otherwise, return Bad request. CernVM will be configured with auto;DIRECT so it will then go DIRECT to the openhtc.io servers.

      In this way, people running large numbers of cernvm processes in a cloud will not hit the openhtc.io servers in large numbers and we will be able to detect them.

      Use the 4th squid service (port 3125) and the cernvm-wpad name for the backup proxies.

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              dwd Dave Dykstra
              dwd Dave Dykstra
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                Updated:
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