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Project portfolio management (PPM) is a holistic management strategy used to align an organization's software, portfolios and projects for analysis and collaboration. PPM streamlines and optimizes management activities to facilitate and fulfill successful business and technical objectives.
A number of vendors sell PPM software products as on-demand or software as a service (SaaS) solutions, including Hewlett-Packard, Eclipse and Instantis.
Effective planning is the greatest challenge in PPM because an organization's infrastructure is often derived from traditionally informal project assessment systems that are similar to political processes. This type of approach evolved into a corporate and commercial demand for defined and systematic processes and procedures.
In terms of core structure, PPM mirrors financial portfolio management: