On Thu, Feb 19, 2009 at 1:01 PM, Sykes, Phil <[email protected]>wrote:
> I read somewhere that Tuscany works in a clustered environment. However > ODE does not. How does that work ? Does the clustering only work if not > using BPEL? > > > > Thanks, > > > > Phil > > > > Philip Sykes * Principal Java Developer, Banner Product Engineering * > SunGard Higher Education * 3 Country View Road, Malvern PA 19335 * Tel 610 > 578 5185 * [email protected] <[email protected]> * > www.sungardhe.com > > > Hi Phil We've run Tuscany in an HTTPD/Tomcat cluster to demonstrate it works but the Tuscany runtime itself isn't cluster aware. The implication of this is that you can use a cluster for load balancing work across stateless service implementations but if a service implementation requires that state is maintained across service calls you will run into problems as service requests are dispatched to the wrong node. Implementation.bpel would only work for very simple synchronous scenarios because each node in the cluser starts its own independent ODE engine instance. Regards Simon
