55% of US organizations plan to buy in-line network access control solutions, and another 11% aren’t sure if they’ll buy in-line or out of band. 80% of large organizations interviewed plan to enforce NAC in the network, and 51% plan to enforce at the client (some do both). Of the respondents interviewed who plan to deploy NAC by 2008, 32% have already deployed NAC. The need to demonstrate policy or regulatory compliance (64% and 54% respectively) is up as a driver for deploying NAC compared to in 2006, Infonetics says.