vSphere/vCenter client and web services

Hello

Don't vSphere client (or client to vCenter earlier) invoke web services of vSphere internally to perform operations on the ESX Server?

I'm new to VMware developemnt.

As I understand it, it's the client vSphere or vCenter is a management console. An actioan/operations such as create VMS or cloning images actually occur on the ESX servers or hosts. Web services are hosted on the ESX servers. When we perform an action via client vSphere/vCenter (e.g. create the VM), internally, it would be invoking appropriate API provided by the web service SDKto do you need.

My understanding is correct?

If you connect to vCenter or ESX host (i) themselves by using the Client vSphere, the majority of applications using vSphere API... I say majority because I do not know there are undocumented more that VMware uses behind the scenes, but in general, it is true. If you perform an operation in vCenter and it applies to a host, vCenter will communicate this request to the host.

If you're new to QALY/SDK: you can spend the time to enter the section "Learning" of the developer forums, there is lots of useful information here: http://communities.vmware.com/community/developer/learn

Here's a great doc Getting Started with vSphere SDK - Update for SDK 4.1 release that has a lot of information/explanations on how it all works, you should spend time passing on it and then ask questions in the appropriate follow-up, if you need more detailed explanation.

=========================================================================

William Lam

VMware vExpert 2009

Scripts for VMware ESX/ESXi and resources at: http://engineering.ucsb.edu/~duonglt/vmware/

repository scripts vGhetto

VMware Code Central - Scripts/code samples for developers and administrators

150 VMware developer

Twitter: @lamw

If you find this information useful, please give points to "correct" or "useful".

Tags: VMware

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