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PCE
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DIFF Subgroup
H04L 61/4505

using standardised directories; using standardised directory access protocols

Introduced: January 2022

Full Title

Network arrangements, protocols or services for addressing or naming > Network directories; Name-to-address mapping > using standardised directories; using standardised directory access protocols

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2022.

Child Classifications

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  • H04L 61/4511 using domain name system [DNS] since 2022 IPC+CPC Available in IPC and CPC
  • H04L 61/4517 using open systems interconnection [OSI] directories, e.g. X.500 since 2022 IPC+CPC Available in IPC and CPC
  • H04L 61/4523 using lightweight directory access protocol [LDAP] since 2022 IPC+CPC Available in IPC and CPC