Communication between multiple 2-3 MRK devices on the same wifi network

Other Hardware Hardware Development
1

Hi,

Im, working on a project to establish communication between 3 IOT devices over WIFI on the same network with internet connection. Im using 3 MKR1010 devices.
I need real time communication.

I tried server client communication between 2 devices.
I used it to turn on a LED connected to one MRK using a switch connected to another MRK.
It worked, except it had a delay of a about 3 seconds.

When I tried to establish communication between 3 devices, using 1 server and 2 clients the delay increased to 6 seconds and signal loss also increased.

So, I wanted to know if server-client is the only way to communicate over wifi, and is it supposed to be slow or can I use any other protocol to make it faster.