CAMBRIDGE, MA -- Availant, Incorporated, a leading provider of availability management software and services, today announced the completion of a joint software engineering effort with IBM for the development of the latest release of High Availability Cluster Multi-Processing (HACMP) for AIX(R). Since 1990, Availant and IBM have been engaged in a successful technology partnership for design and development of HACMP for AIX, IBM's industry-leading high availability clustering software.