Summary

Recommendation ITU-T G.800 describes a unified functional architecture for transport networks that use connection-oriented circuit switching (CO-CS), connection-oriented packet switching (CO‑PS), and connectionless packet switching (CL-PS) in a technology-independent way.

Corrigendum 1 updates clause 3.2.8 to indicate that the description of the forwarding end port should be a type of port, not point.