Information Dissemination Models

Many press reports, and to some extent the 9/11 Commission Report, referred to the failure to share information as one reason the US was unable to prevent the terrorist attacks of 9/11/01. Cite at least two specifics that point to this being true or why not.
• Discuss at least two information sharing models that have been recommended since then. • Summarize some technology available to support these information sharing models. • Discuss what you think would be the most effective information sharing model to help prevent terrorist attacks.