Sweet. We use Apache ZooKeeper for service discovery and have a #zk channel. We just did a deployment, here's the irc log: (deploying the 'PM' service, updating instance pm12 first)
[1:05pm] dm: PM leader changed from pm12 to (none)
[1:05pm] dm: PM leader changed from (none) to pm11
[1:05pm] dm: PM leader changed from pm12 to (none)
[1:05pm] dm: PM leader changed from (none) to pm11
[1:05pm] dm: UNANNOUNCED: ServiceDescriptor[id=pm12,kind=class com.kaching.platform.guice.KachingServices$PM,uri=http://10.99.110.140:8080,shards=[],status=UP]
[1:05pm] dm: ANNOUNCED: ServiceDescriptor[id=pm12,kind=class com.kaching.platform.guice.KachingServices$PM,uri=http://10.99.110.140:8080,shards=[],status=INIT]
[1:05pm] dm: UPDATED: ServiceDescriptor[id=pm12,kind=class com.kaching.platform.guice.KachingServices$PM,uri=http://10.99.110.140:8080,shards=[],status=UP]