"The trend is increasingly towards open standards that allow switching between different providers. Unlike proprietary platforms, communication capability is not tied to a single manufacturer."
"Different providers can communicate with each other as long as they support the same standard. Federation thus occurs not via central platforms but through a network of independent systems," writes nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqeu7lnqx439md22p09mfrd07gsqfqp36mchrvgm3a2xntjlwdnrxqqywxkz (nprofile…wxkz) in @heiseonline.
https://www.heise.de/en/news/Matrix-Messenger-Rocket-Chat-Swedish-authorities-communicate-interoperably-11316951.html