Operations and Maintence (O&M) (also known as steady state) "costs refer to the expenses required to operate and maintain an IT asset in a production environment."
"[T]he O&M phase is often the longest phase of an investment and can consume more than 80 percent of the total lifecycle costs."
- ↑ Information Technology: Federal Agencies Need to Address Aging Legacy Systems, at 4.
- ↑ Id. at 20 n.29.