Thesis (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2003.Leaf 110 blank.Includes bibliographical references (leaves 103-107).This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.After a decade of development, advanced telecommunications services (ATS) are widely available in many markets. This thesis is concerned with the impact of local competition and government regulation on the deployment of advanced telecommunications services for business in the United States. These services include packet switching, digital signal level (DS) technologies and synchronous optical network (SONET) – o...