Well.. The same as the clustered invoker but transport independent ;) 

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On 
> Behalf Of Ivelin Ivanov
> Sent: lundi, 22. décembre 2003 18:13
> To: [EMAIL PROTECTED]
> Subject: RE: [JBoss-dev] Re: HA JMS - singleton load balancing policy
> 
> 
> Can you enumerate the key features of a clustered
> interceptor? 
> 
> --- Sacha Labourey <[EMAIL PROTECTED]>
> wrote:
> > As part of 4.0, we have to replace the smart proxies
> > with clustered
> > interceptors, we could reuse them then. 
> > 
> > > -----Original Message-----
> > > From:
> > [EMAIL PROTECTED] 
> > >
> >
> [mailto:[EMAIL PROTECTED]
> > On 
> > > Behalf Of Ivelin Ivanov
> > > Sent: dimanche, 21. dicembre 2003 18:05
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: [JBoss-dev] Re: HA JMS - singleton
> > load balancing policy
> > > 
> > > 
> > > Yes, this is how it works now. 
> > > The client side of the HAIL uses the singleton
> > > notifications, which in turn use the DRM.
> > > The question is how to implement the client stub
> > so
> > > that it does not have to be part of the cluster.
> > > 
> > > The smart RMI stubs take care of communicating
> > with
> > > the back end to receive regular snapshots of the
> > > cluster view. There has to be additinal info about
> > the
> > > current singleton server. As Scott mentioned this
> > can
> > > be probably done as an extension to one of the
> > load
> > > balncing policies. 
> > > 
> > > However UIL2 does not use the smart RMI stubs. How
> > to
> > > merge them? Just use the RMI stuff for HAIL and
> > don't
> > > worry about UIL2 for now?
> > > 
> > > Is the existing remoting at a stage that can
> > replace
> > > UIL2 without any loss of benefits ? I am not
> > familiar
> > > with it yet.
> > > 
> > > Ivelin
> > > 
> > > 
> > > 
> > > 
> > > 
> > > --- Bill Burke <[EMAIL PROTECTED]> wrote:
> > > > The DistributedReplicantManager should be able
> > to
> > > > organize separate 
> > > > endpoints.  HAIL or any other IL should
> > interface
> > > > with it.
> > > > 
> > > > Bill
> > > > 
> > > > Ivelin Ivanov wrote:
> > > > 
> > > > > Ok, that is what I thought.
> > > > > Let's see if this can be an easy fix.
> > > > > Seems like UIL2 doesn't leverage the smart RMI
> > > > stubs.
> > > > > Any suggestions how to attack this? Have UIL2
> > use
> > > > > smart RMI stubs somehow, write a completely
> > > > different
> > > > > IL based on the smart RMI stubs or reuse OIL.
> > > > > 
> > > > > Currently the HAIL client stub is listening
> > for
> > > > > changes in the cluster topology and cancels
> > the
> > > > > connection when the singleton moves.
> > > > > 
> > > > > 
> > > > > Ivelin
> > > > > 
> > > > > --- Scott M Stark <[EMAIL PROTECTED]>
> > wrote:
> > > > > 
> > > > >>Its a variation of the FirstAvailable load
> > > > balancing
> > > > >>policy that
> > > > >>chooses the singleton rather than one of the
> > > > cluster
> > > > >>nodes.
> > > > >>
> > > > >>-- 
> > > > >>xxxxxxxxxxxxxxxxxxxxxxxx
> > > > >>Scott Stark
> > > > >>Chief Technology Officer
> > > > >>JBoss Group, LLC
> > > > >>xxxxxxxxxxxxxxxxxxxxxxxx
> > > > >>
> > > > >>Ivelin Ivanov wrote:
> > > > >>
> > > > >>
> > > > >>>An interesting problem came up related to HA
> > JMS.
> > > > >>>There is a need for a remoting mechanism that
> > can
> > > > >>
> > > > >>not
> > > > >>
> > > > >>>only keep a current list of the cluster
> > nodes,
> > > > but
> > > > >>>also know which one is the singleton node for
> > a
> > > > >>>particular service.
> > > > >>>
> > > > >>>Is this something that should be added to the
> > > > >>
> > > > >>roadmap
> > > > >>
> > > > >>>under remoting? Would it be implemented as a
> > kind
> > > > >>
> > > > >>of
> > > > >>
> > > > >>>load-balancing strategy or some other way?
> > > > >>>
> > > > >>>Ivelin
> > > > >>>
> > > > >>
> > > > >>
> > > > >>
> > > > >>
> > > > >
> > > >
> > >
> >
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> > > >
> > >
> >
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> > > > -- 
> > > > ================
> > > > Bill Burke
> > > > Chief Architect
> > > > JBoss Group LLC.
> > > > ================
> > > > 
> > 
> === message truncated ===
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