----- Original Message -----
From: "marc fleury" <[EMAIL PROTECTED]>
To: "Julian Gosnell" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, September 05, 2001 8:05 AM
Subject: RE: [JBoss-dev] RH: EAR/WAR/EJB-JAR distribution...? - rambling !
> |I'm assuming that in a JBoss cluster Enterprise
> |Applications are distributed from one node (possibly a
> |Master) to all other nodes (possibly Slaves).
I think to have a master which propagates the actions to
the slaves is difficult when it comes to fail-over. It would
be nice if the client doesn't know anything about a master
but the logical server or view on top of the group of
physical servers.
There are 3 ways to implement the logical server:
1) the client handles this but then different clients can have
different logical views
2) having a separate, stripped-down administration server
providing the logical view. When this server goes down
the client has to start a new one maybe on another server
which could lead to the problem where you want to store
the information about the servers participating in the logical
view
3) Enable every JBoss server to provide the client with the
logical view. Therefore as long as one server is up and
running you can get a logical view. Now we can use JINI
to have a dynamic discovery of the server joining or
leaving the logical view.
Have fun - Andy
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