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laforge, 03/15/2018 09:41 PM


Wiki

Problem Areas

  • Routing Lookups for network elements
    • Determine HLR IP/hostname by IMSI (to know which HLR to ask during GSUP SendAuthInfo + UpdateLocation)
      • could be static table / config file with ISMI prefix, like 334-42-001-0123456 where "001" is site/network name and "0123456" is the subscriber in that site/network
      • could use something like enum/DNS
    • Determine HLR IP/hostname by MSISDN (to know which HLR to ask for current serving VLR/MSC IP/hostname)
      • could be static table / config file with ISMI prefix, like 52-123-012-3456 where "012" is a prefix for the given site/network and "3456" is the subscriber in that site/network. Probably too restrictive.
      • could use something like enum/DNS
  • Routing Lookups for subscribers
  • Synchronization
    • single-master multi-slave
      • subscriber data (MSISDN, IMSI, GPRS/SMS/Voice permission, Auth keys, ...)
    • distributed
      • present location of subscriber (serving VLR/MSC)

Unsorted

Updated by laforge almost 5 years ago · 3 revisions

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