Re:Google Talk Is Being Discontinued
by shmerl on Friday March 24, 2017 @03:19PM
(#13951476)
No, closed ones are a betrayal. If someone doesn't upgrade, you can easily exclude them from communication and even build such logic in the protocol itself. It will pressure them to be up to date. I don't see an issue here.
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You can't do that if the ones that refuse to upgrade are some of the bigger providers on the network.
You can if you care about security. That's exactly how the very same Google Talk was cut off from the rest of the XMPP universe, even before they decided to shut it down (they refused to support server to server encryption).