Technical Abbreviations and Acronyms

  1. OPEX
    Operational Expediture
  2. OPSYS
    Operating System
  3. ORCA
    No Expansion
  4. ORCHID
    Overlay Routable Cryptographic Hash Identifiers
  5. ORO
    Option Request Option
  6. OS
    Operating System
  7. OSI
    Open Systems Interconnection (iso Standard)
  8. OSN
    Original Sequence Number
  9. OSPF
    Open Shortest Path First (ATM)
  10. OSPM
    Operating System
  11. OSS
    Operational Support System
  12. OSSI
    Open Source Software Institute
  13. OTAF
    Over-The-Air Functionality
  14. OTASP
    Over-The-Air Service Provisioning (telcommunications)
  15. OTI
    Object Transmission Information
  16. OTN
    Optical Transport Network
  17. OTP
    One-Time Password authentication
  18. OU
    Organizational Unit
  19. OUI
    Organizationally Unique Identifier
  20. OWAMP
    One-Way Active Measurement Protocol

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