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List:       webservices-general
Subject:    [Ws Wiki] Update of "FrontPage/Axis2/clustering proposal" by
From:       Apache Wiki <wikidiffs () apache ! org>
Date:       2006-09-19 5:10:26
Message-ID: 20060919051026.4866.68485 () ajax ! apache ! org
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Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Ws Wiki" for change \
notification.

The following page has been changed by ChamikaraJayalath:
http://wiki.apache.org/ws/FrontPage/Axis2/clustering_proposal

New page:
====== Clustering Axis2 ======

===== Terminology =====

HN          - Head Node

N1,N2,N3... - Nodes in the cluster

R           - repository

===== Step 1 =====

http://people.apache.org/~chamikara/images/model1.jpg

**HN - **
Simply distributes incoming requests between Nodes of the cluster. Most probably \
based on a round-robin manner. 

**N1,N2... - **
Axis2 instances located in different machines. All share the same axis2.xml file and \
the same repository.

**R - **
A remote repository, most probably situated on a separate machine.



===== Step 2 =====

http://people.apache.org/~chamikara/images/model1.jpg

**HN - **
Provides basic support for session affinity. Basically an Axis2 or Synapse instance \
with a SessionAfinity module deployed. 

**N1,N2... - **
Axis2 instances located in different machines. All share the same axis2.xml file and \
the same repository.

**R - **
A remote repository, most probably situated on a separate machine.


===== Step 3 =====

http://people.apache.org/~chamikara/images/model1.jpg

**HN - **
Similar to step 1.

**N1,N2... - **
Nodes share state among themselves using the ClusterManager. ClusterManager is a \
interface that will be introduced to Axis2 to allow replication of context state. \
ConfigurationContext, ServiceGroupContexts and ServiceContexts will be replicated.

**R - **
A remote repository, most probably situated on a separate machine.

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