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PCE
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DIFF Subgroup
H04L 45/12

Shortest path evaluation

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Routing or path finding of packets in data switching networks > Shortest path evaluation

CPC:

Routing or path finding of packets in data switching networks (routing or path finding in wireless networks H04W40/00) > Shortest path evaluation

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

IPC defines codes here since 2022.

Child Classifications

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  • H04L 45/121 by minimising delays since 2022 IPC+CPC Available in IPC and CPC
  • H04L 45/122 by minimising distances, e.g. by selecting a route with minimum of number of hops since 2022 IPC+CPC Available in IPC and CPC
  • H04L 45/123 CPC only CPC only
  • H04L 45/124 CPC only CPC only
  • H04L 45/125 based on throughput or bandwidth since 2022 IPC+CPC Available in IPC and CPC
  • H04L 45/126 CPC only CPC only
  • H04L 45/127 CPC only CPC only