Gatewayworker is distributed, is it theoretically possible for the server to send messages no matter which station it is connected to?

In the chat room made by

gatewayworker, multiple machines are distributed. For example, the two machines are monitored by machine a, and the registered address of machine b points to machine A. all programs are started and executed normally, but the information is not intercommunicated.
example:
A1 client ws connection to a machine
b1 client ws connection to b machine

any server that sends messages to all client_id can only send messages to the machines that connect to them successfully!

is it because I have misunderstood that I do not support it? what should I do if I need support?

Workman gateway php
Jun.16,2022

should be misunderstood
I opened two Gateway
$gateway = new Gateway ("Websocket://0.0.0.0:8282");

$gateway = new Gateway ("Websocket://0.0.0.0:8283");
use two pages App1,App2 to connect to websocket

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