What is the use of a proxy client to test web service from ABAP code?

In NW640, we need to create a proxy client to test our web service from a ABAP code.
Why is this so? What is the significance of a proxy client? Is this mandatory? Can we test the webservice from a ABAP code without proxy client?

Hi Gopal,
There are two types of proxies that can be generated from ABAP - the client proxy (to call an internet web service) and a server proxy (to communicate with XI). It sounds to me like you are looking for information about the client proxy, if so you can see the following link from SAP Help:
http://help.sap.com/saphelp_nw04s/helpdata/en/e5/a68d10f4eb894087fc9c1c3f9ae433/frameset.htm
Hope this helps.
Sudha

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https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/70c7d0f7-153d-2a10-5d96-d334b67cd771
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>
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cannot
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than the
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What is the use of a proxy client to test web service from ABAP code?

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