This paper articulates IBM's vision for the future of collaboration and the extent to which current Domino applications and developer skills can be reused and leveraged in the next generation of collaborative applications. It explains IBM's plans to continue investment in Lotus Notes and Domino as a complementary and parallel architecture to IBM WebSphere, affirming Lotus' leadership in collaboration at IBM and throughout the industry. IBM has no current plans to merge Lotus Domino with WebSphere or to require WebSphere to run Domino applications in the foreseeable future.This paper also helps you understand the core strengths and the value of both Lotus Domino and WebSphere. It describes a set of application criteria and gives guidelines for using either Lotus Domino or WebSphere or a combination of both to most successfully meet those criteria. This paper concludes with a call to action to help you prepare for supporting and deploying integrated collaborative solutions in the future.