Packet switching elements

Introduced: January 2022

Of 14 combined children, 12 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2022.

Child Classifications

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H04L 49/10 characterised by the switching fabric construction since 2022 IPC+CPC Available in IPC and CPC
H04L 49/15 Interconnection of switching modules since 2022 +2 CPC IPC+CPC Available in IPC and CPC
H04L 49/20 Support for services since 2022 +2 CPC IPC+CPC Available in IPC and CPC
H04L 49/25 Routing or path finding in a switch fabric since 2022 +3 CPC IPC+CPC Available in IPC and CPC
H04L 49/30 +9 CPC CPC only CPC only
H04L 49/35 Switches specially adapted for specific applications since 2022 +2 CPC IPC+CPC Available in IPC and CPC
H04L 49/40 Constructional details, e.g. power supply, mechanical construction or backplane since 2022 +1 CPC IPC+CPC Available in IPC and CPC
H04L 49/45 Arrangements for providing or supporting expansion since 2022 +1 CPC IPC+CPC Available in IPC and CPC
H04L 49/50 Overload detection or protection within a single switching element since 2022 +1 CPC IPC+CPC Available in IPC and CPC
H04L 49/55 Prevention, detection or correction of errors since 2022 +2 CPC IPC+CPC Available in IPC and CPC
H04L 49/60 Software-defined switches since 2022 +4 CPC IPC+CPC Available in IPC and CPC
H04L 49/65 Re-configuration of fast packet switches since 2022 IPC+CPC Available in IPC and CPC
H04L 49/70 CPC only CPC only
H04L 49/90 Buffering arrangements since 2022 +7 CPC IPC+CPC Available in IPC and CPC