zetcd: running ZooKeeper apps without ZooKeeper

The CoreOS Blog introduces the first beta release, v0.0.1, of zetcd. "Distributed systems commonly rely on a distributed consensus to coordinate work. Usually the systems providing distributed consensus guarantee information is delivered in order and never suffer split-brain conflicts. The usefulness, but rich design space, of such systems is evident by the proliferation of implementations; projects such as chubby, ZooKeeper, etcd, and consul, despite differing in philosophy and protocol, all focus on serving similar basic key-value primitives for distributed consensus. As part of making etcd the most appealing foundation for distributed systems, the etcd team developed a new proxy, zetcd, to serve ZooKeeper requests with an unmodified etcd cluster."

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