previous discussion https://news.ycombinator.com/item?id=6129148 https://news.ycombinator.com/item?id=6129148 I am personally most interested in how to arrange

previous discussion https://news.ycombinator.com/item?id=6129148 https://news.ycombinator.com/item?id=6129148 I am personally most interested in how to arrange a software to software pigdin for negotiating communication. Beside the obvious, like the dialtone handshake.