The idea is pretty simple. For example, long time ago when Zookeeper didn&#x27;t support multi key transaction I had to implement them and came to the same algorithm - <a href="http:&#x2F;&#x2F;rystsov.info&#x2F;2012&#x2F;09&#x2F;01&#x2F;cas.html" rel="nofollow">http:&#x2F;&#x2F;rystsov.info&#x2F;2012&#x2F;09&#x2F;01&#x2F;cas.html</a>.<p>It would be great to know its name to simplify communication with the colleagues, do you know it?