Abstract: A method and system of updating a first dll accessible by an application where the first dll and a second dll is administered by an original router and where the first and second dlls and the original router have a common API includes installation of an updated first dll. An entry point generator identifying distinct entry points in an updated API for a combination of the updated first dll and the second dll and determines new entry points that are not found in the API of the original router. The entry point generator modifies the original router to an updated router that includes the new entry points, and the updated router is then installed.