IBM plans to protect customers' past investments in IBM integration software, and does not expect current customers to migrate immediately from currently entitled products to the new IBM Process Server Advanced and IBM Integration Designer offerings. To facilitate the extended migration period some customers may require to move to IBM Process Server Advanced and IBM Integration Designer (and to avoid "double payment" during that migration period), IBM is offering customers complimentary "extended entitlement" to IBM Process Server Advanced and IBM Integration Designer until they fully migrate to IBM Process Server Advanced and IBM Integration Designer.