From: "Hiram Chirino" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, February 24, 2001 11:14 PM Subject: JBoss Clustering > Hi guys. > > I know JBoss does not cluster right now. But I would like to know if > anybody has put any thoughts into it. I'm reaching the conclusion that the > next big step that JBossMQ needs to take is to be able to work as a cluster. > I've already started working the basic services that I've imagined we will > need. > > In an earlier thread about clustering, Marc referenced that we would need a > messaging/event system that could scale well such as the Event Services > provided by the TAO. I went in that direction and I researched TAO. TAO > uses multicast and/or broadcast UDP to send it's messages. Since only one > socket is needed to communicate with the rest of the cluster, adding more > nodes to the cluster does not increase the number threads or sockets that > would be needed at each node. > > That sounded like a good idea. So, I implemented a multicast transport > service similar to the one TAO. It even goes a step further than the TAO > implementation, since it provides a moderate level of fault tolerance > (message retransmission). It is a very simple service aimed at > fast and efficient intra-cluster communications. If you wish to take a look > at it, it's in the jbossmq module in the org.jbossmq.cluster package. > > But now, I'm left asking what other services will we need to make JBoss and > in turn JBossMQ clustered? > > Regards, > Hiram
