| This major study of operational support system (OSS) requirements, applications, and platform deployment shows a significant continuing movement away from mainframe-based computing environments at the incumbent carriers. The market for OSS hardware, software, and support is directly sized by industry segment (large LECs, small/medium LECs, and CAPs). Specific platform and vendor choices of OSS managers are illustrated. This is a highly detailed study of a carrier technology area that is attracting increased attention from vendors and analysts in the era of competitive telecommunications.
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