+1
On Mon, Jul 23, 2012 at 5:35 PM, Afkham Azeez <[email protected]> wrote:
> While working on the management node & worker node separation problem, I
> came up with this concept of partitions within clusters, which I would like
> to call sub-domains. All members of a domain can communicate with each
> other. However, the management nodes & worker nodes clearly have different
> roles, hence belong to different sub-domains. The load balancer should be
> aware of these sub-domains & direct management requests to nodes within the
> management sub-domain according to the specified load balancing algorithm,
> and regular requests to applications & services should be directed to nodes
> within the worker sub-domain.
>
> The members can advertise sub-domains as member properties. The load
> balancer code has to be changed to be sub-domain aware. A sample
> loadbalancer.conf segment is shown below.
>
> appserver-worker {
> # multiple hosts should be separated by a comma.
> hosts appserver.cloud-test.wso2.com,
> as.cloud-test.wso2.com;
> domains {
> *wso2.as.domain* {
> *sub_domain worker;*
> tenant_range *;
> }
> }
> }
>
> appserver-mgt {
> # multiple hosts should be separated by a comma.
> hosts mgt.appserver.cloud-test.wso2.com,
> mgt.as.cloud-test.wso2.com;
> domains {
>
> *wso2.as.domain* {
> *sub_domain mgt;*
> tenant_range *;
> }
> }
> }
>
> Nirmal & I are working on this. Without this change, we will not be able
> to achieve proper management & worker node separation.
>
> Thoughts welcome.
>
> --
> *Afkham Azeez*
> Director of Architecture; WSO2, Inc.; http://wso2.com
> Member; Apache Software Foundation; http://www.apache.org/
> * <http://www.apache.org/>**
> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
> *
> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
> *
> *
> *Lean . Enterprise . Middleware*
>
>
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>
>
--
============================
Srinath Perera, Ph.D.
http://www.cs.indiana.edu/~hperera/
http://srinathsview.blogspot.com/
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