Government agencies need to move toward open standards and managed services to cut IT costs and improve service to customers, Sun Microsystems Chief Executive Officer Scott McNealy said Wednesday.

McNealy used part of his keynote and a later press conference at the FOSE technology-in-government trade show to trumpet Sun products and push for open standards, saying open standards and open-source software can reduce the exit costs associated with IT products.

Vendors like to brag about the acquisition and maintenance costs, but few talk about exit costs that can dwarf those other expenses, even though technology products have the "self life of a banana," he said.

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