Can anyone tell me flow of Regitry , Simulator, coordinator, workstation ..how does it connects sequentially ? Also any relation of VSE with the registry and coordinator server ?
Registry - is required for all components to run. Its main function is to control the licenses and access, and monitors what all components are running. So whatever you do, you need a registry.
Scenario1: Testing only.
You have an application. You want to test it (but not performance test). All you need is a workstation (and obviously a registry to run it).
Scenario2: Testing as well as Performance testing
You have an application. You want to test it as well as perform performance test. You need a workstation, a coordinator, some simulators and VSE users license.
Workstation - to create the test and initiate the test
Coordinator - If you want to simulate 100 users running the test, a coordinator will coordinate and run the test via simulators. It basically distributes and controls the test over simulators.
Simulators - They do the actual test and send the results back to the coordinator. They have the vusers and would simulate multiple users running the test. For simulating 100 users, you can run 20 vusers on 5 simulators.
Scenario3: Service Virtualization
You want to mimic(virtualize) an application/ service. All you need is a workstation, VSE and registry.
Workstation - where you create the virtual service
VSE - where the VS is deployed and runs.
If you want to performance test as well as do service virtualization, it would be a good idea to create 2 different environments by using 2 different registry. For normal testing you can use the same registry as Registry1.
SV env - Workstation - VSE - Registry1
PT env - Workstation - Coordinator - Simulator(s) - Registry2
Information and graphics from the following documentation page could help answer these questions as well... DevTest Solutions Architecture - DevTest Solutions - 8.3 - CA Wiki
Thank you Liz
Happy to help! You can also check out DevTest Solutions 8.0: Installation and Configuration 200, which is a free web-based training that covers how to configure and run DevTest Server components.
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