Consuming External OData services from SAP

Hi All,
I am trying to sync up SAP to an external system. Using the SAP Netweaver Gateway I am able to expose the SAP Objects as OData service so that the external system can sync with SAP data.
Now when SAP needs to consume the OData services of the external system can it do through Netweaver gateway ?
How do we build a bi-directional interface keeping both the systems in sync.
Thanks
Ravijeet

NW Gateway cannot do that. But you can do it with simple ABAP.
check here.
Implementing the REST Client - Connectivity - SAP Library

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    at com.jdedwards.runtime.vtcomponent.VTButton.onClick(Unknown Source)
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    at com.jdedwards.base.util.ThreadPool$WorkerThread.run(Unknown Source)
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    Hello again,
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         at com.jdedwards.runtime.vtcomponent.form.VTForm.doEvent(Unknown Source)
         at com.jdedwards.runtime.engine.ButtonEngine.onClick(Unknown Source)
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         at com.jdedwards.runtime.virtual.OWVirtual.processVTEvent(Unknown Source)
         at com.jdedwards.runtime.virtual.OWVirtual.processEventLoop(Unknown Source)
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         at com.jdedwards.base.util.ThreadPool$WorkerThread.run(Unknown Source)
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    Microsoft (R) Manifest Tool version 5.2.3790.2075
    Copyright (c) Microsoft Corporation 2005.
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    I don't understand nothing, because the path is totally right.
    Any help is appreciated!
    Thank you and regards.
    Edited by: user12085357 on 29-abr-2010 2:55
    Edited by: user12085357 on 29-abr-2010 3:02

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