Risks involved in offshore outsourcing

Any big deal with a firm comes with certain risks. Risks that can be eliminated if the development stages are followed according to a well- designed process model.
The risk that reflects immediately is the misunderstanding of the customer’s product requirement. In case of Offshore Software Development also, no risk can be avoided if there is lack of proper interaction between the client and the service provider. A proper understanding can be built by analyzing the requirements with the client.
From your knowledge of Offshore Outsourcing, what are the risks involved? Feel free to post your suggestions on the topic.
http://www.hanusoftware.com