How Client Connect to a cluster?

[weblogiccluster]

Hi,
I am making a Cluster for my application i have three managed server and one administrative server. I have made a common DNS name for all there managed servers by defining there IP addresses on DNS server.
My problem is:
1)kindly tell me how a client will access the cluster?
2)I can't identify how client requests are forward to different manage servers by administrative server

I am running a weblogic server in development mode.

 

[wushutwist]

Are we talking HTTP Connections or T3/RMI-IIOP Connections?

If it is HTTP then you will need to setup either a hardware load balancer or a Proxy Server. The Proxy Server can either be another WebLogic Server or a plain vanilla Web Server like Apache or IPlanet. If it is WebLogic then you will need to configure the HttpClusterServlet to balance the load among the other WebLogic instances. If you use a plain Web Server then you will need to configure the proxy plugin to do the same.

Clustering and Fail-over to EJBs are handling by the Home and Remote Stubs, so no additional work is necessary if you have your cluster configured properly.

The Administration Server is not involved in the actual forwarding of requests. It just manages the Domain.

BTW, this is assuming you are running WebLogic 5.1 or greater.

 

[weblogiccluster]

HI,
I have deployed my cluster properly and i am talking about T3 connections. All i want to know how the client will access the Cluster. we know that we need a DNS name for the manage servers.
I am having a seperate DNS server for my application, which contains the IP addresses of the managed servers. I have defined this DNS name in Administrator server Cluster Address. I am not able to follow the flow of client request.
Suppose my DNS name is "leo.com" and when i give the following http request how the request will be handled like who will decide that to which manage server the request should go?

http://leo.com:7001/MySite/jsp/first.jsp

Kindly tell me how the request will be handled?

1)whether request will directly go to a cluster running on administrator server and from there it will resolve the DNS name and will send the request to manage server.

2)or whether the request will go to DNS server from there it will resolve the IP address and the request will go to the manage server. If this is the scenario than when does the Cluster come into the picture and what does Administrator do?

I am very near to deployment of clustering. Kindly help me out.