370 / | HD | MULTIPLEX COMMUNICATIONS |
351 | DF | PATHFINDING OR ROUTING {5} |
389 | DF | .~ Switching a message which includes an address header {11} |
395 | .~.~ Message transmitted using regularly occurring fixed length time intervals (e.g., ATM) {2} | |
396 | DF | .~.~.~> Distributed switching {1} |
398 | DF | .~.~.~> Centralized switching {1} |