... Assurance Billing & Planning Administration Activation Inventory Management Fault Management Workforce Management RSS Network resource management informationOperation management ... provisioning, serviceassurance, and billing, etc. RSS handles networkresource management, operation information management, customer basic information man-agement and customer service information, etc.SSS ... perfor-mance and competitive advantage (Ahn andChang, 2004; Chuang, 2004; Joshi and Sharma,2004; Tzokas and Saren, 2004; Badii and Sharif,2003; Cavusgil et al., 2003; Choi and Lee, 2002).For...