Internet for 10 computers. How is it better?

Question

network hardware

Hello. There are 10 computers that need to be connected to the internet. The computers are running applications that need the most stable connection possible. Large data transfer is not required. Now temporarily connected like this. An optical router from the provider, further to it, via twisted pair, 2 routers D link dir 300. And from routers to computers. There is also a switch D link des-1016a. In general, there is an optical router, 2 more routers and a switch))) What is the best way to organize the most stable Internet for 10 computers.

Answer 1

Hmm, it's possible to replace 2 routers and a switch with
https://mikrotik.com/product/CRS125-24G-1S-IN
The speed is low, but stable, as per TK.
Dir 300 and reliability did not stand next to each other