Hi,

thanks for the quick reply.
but this raises other questions.
please see questions inside.

>
>
> Hendrik Jander wrote:
>
> >Hello,
> >
> >im doing some research on ESB's actually and also evaluated ServiceMix while
> >this.
> >
> >Im a bit confused about the Distribution aspect of ServiceMix.This is
> because i
> >read that that JBI itself in its actual version is not distributed.
> >So how can ServiceMix implement an distributed ESB based on JBI?
> >
> >
> Specs are never closed.  I don't think the J2EE specs defines clustering
> of j2ee servers, but
> this is a well known feature.
>
> >in the docs i only can find doucmentation about JMS topologies.
> >so , is this the key to distribution of ServicexMix? and if so, is the
> service
> >repository then also distributed?
> >
> >
> In ServiceMix, you have basically two options to make two services in
> different jvm talk together:
>   * the first one is to go throught binding components and a known protocol
>   * the second one is to use a cluster flow, which ease the pain: you do
> not have to define
>       explicitely the route from one service to the other.  They are
> automatically discovered.
>
> ServiceMix uses ActiveMQ (the well known open source JMS provider) to
> provide this
> distribution.  But it also provides load-balancing and fail-over : if
> the same service is
> on two different nodes, they will act as the same service and requests
> may be load-balanced

how can SM know that 2 services are the same? how is this managed?

> between the two service instances.  However, ServiceMix does not
> currently provide
> a service repository, where all services would automatically be deployed
> on all clustered

will it one day ? :)
and when i deploy a service to one node, how do the other nodes get this to
know?

> ServiceMix containers.
>
> Cheers,
> Guillaume Nodet
>
> >This may be newbie question for you, but im a bit confused with the
> stuff..:)
> >
> >REgards,
> >Hendrik
> >
> >
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> >
> >
> >
> >
>
>




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