Protocol-Independent Multicast (PIM) is a family of multicast routing protocols that can provide one-to-many and many-to-many distribution of data over the Internet. The “protocol-independent” part refers to the fact that PIM does not include its own topology discovery mechanism, but instead uses routing information supplied by other traditional routing protocols.
Published in Chapter:
Adoption of VoIP Applications in Public and Private Organizations
Nicoletta Corrocher (Bocconi University, Italy and University of Tromso, Norway), Roberto Fontana (University of Pavia, Italy and Bocconi University, Italy), and Claudia Parlanti (Bocconi University, Italy)
Copyright: © 2009
|Pages: 14
DOI: 10.4018/978-1-60566-194-0.ch028
Abstract
We provide evidence on the determinants of diffusion of Voice over IP (VoIP) applications in a sample of public and private organizations in Italy. We first review the recent developments in the technology in order to identify the current trends and the costs and benefits of VoIP adoption. Second, we discuss the recent policy efforts at the European level toward the implementation of the technology. Third, we present an empirical investigation. Our results suggest that organizations become more likely to adopt as time goes by, and that the decision to adopt is mostly affected by size and availability of financial resources. Organizations can benefit from IP communications systems, because they offer cost savings and enhanced applications facilitating network management and on-line transactions. However, technical shortcomings, established habits and practices, and legacy network investments can inhibit adoption. This explains why firms are more likely to adopt as time passes and why small organizations are more inclined to adopt than larger ones.