NetworkElement networkElement = _networkModel.getElementImplementingProvider(Network.Provider.VirtualRouter.getName());
if (networkElement == null) {
throw new CloudRuntimeException("Unable to find the Network Element implementing the VirtualRouter Provider");
}
VirtualRouterElement element = (VirtualRouterElement)networkElement;
element.addElement(nsp.getId(), VirtualRouterProviderType.VirtualRouter);
return nsp;
}