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Heterogeneity Is Permanent

 
  • Programming languages
    • ~3 million COBOL programmers
    • ~1.6 million VB programmers
    • ~1.1 million C/C++ programmers
  • Operating systems
    • Unix, MVS, VMS, MacOS, Windows (all 8!), PalmOS…
    • Windows 3.1: it’s still out there!
    • Embedded devices (mobile, set-top, etc.)
  • Networks
    • Ethernet, ATM, IP, SS7, Firewire, USB
    • Bluetooth, 802.11b, HomeRF

 

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