RadChartView is a standard silverlight control which can be databound and used much like the native listbox and datagrid controls. Its series accept an object implementing the IEnumerable as a most basic requirement. However, the control also supports change notifications via the INotifyCollectionChanged interface.
Whether you supply data to the control in a synchronous or asynchronous manner using non-telerik infrastructure is of little importance to RadChartView.
As far as data plumbing is concerned you may find it interesting to take a look at the following Telerik products making it easier to bring the data down to the chart:
The chart control will have no problem consuming either a static data source or one implementing the INotifyCollectionChanged interface.
the Telerik team
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