Multicasting is a necessity for a broadband metro-area-network; however security problems exist with current multicast protocols. A stateful multicast access control mechanism, based on MAPE, is proposed. The architecture of MAPE is discussed, as well as the states maintained and messages exchanged. The scheme is flexible and scalable. (Author/AEF)

Presents findings of a research study on how women in information technology (IT) professions seek information on the Web as part of their daily work. Develops a behavioral model of Web information seeking that identifies four complementary modes of information seeking: undirected viewing, conditioned viewing, informal search, and formal search.…

Users of telecommunications networks are concerned about privacy, and desire anonymous access, while some organizations are concerned about how this anonymous access might be abused. Proposes a solution for revocable anonymous access to the Internet. Presents some legal background and motivation for such a solution. Indicates some difficulties and…

A model for monitoring the Web site development process in the public sector is proposed and tested empirically with a sample of local government Web sites. Four factors in the matrix of the framework--publicity, local service, differentiation and participation--together with two dimensions of attracting and delivering were proved to be important…

Reports on a case study at an organization that created MADIC, an innovative approach to developing mobile applications developed by third party independent developer. Presents MMO2's, a conceptual wireless reference model used to define the various system constituents required to create effective mobile applications. (Author/AEF)

The current version of the IP protocol, IPv4, is the most widely used protocol in computer networks. This article describes mechanisms that can be used to facilitate the transition to the new version of the IP protocol, IPv6, and examines usability, usefulness and manageability. Describes how some of these mechanisms were applied to the Greek…

Presents an overview of the security architecture of the IP multimedia core network subsystem (IMS) of the third generation mobile system, known in Europe as UMTS. Discusses IMS security requirements; IMS security architecture; authentication between IMS user and home network; integrity and confidentiality for IMS signalling; and future aspects of…

Introduces an extension of the Session Initiation Protocol (SIP) for closed multiparty conferences; the extension expands SIP for discovery of participant identities in a conference, and ensures that each participant is notified before a new participant joins. Verifies this extension by applying it to two SIP conference models. Concludes with an…

Develops a technology acceptance model (TAM) for wireless Internet via mobile devices (WIMD) and proposes that constructs, such as individual differences, technology complexity, facilitating conditions, social influences, and wireless trust environment determine user-perceived short and long-term usefulness, and ease of using WIMD. Twelve…

Explains the digital economy and its impact on the firm. Highlights include subsectors of the digital economy, including infrastructure; analysis of the digital economy in Spain; analysis of the ICT (information and communication technology) sector in Spain; and electronic commerce through the Internet. (LRW)

Discusses the growth of Internet use and the resulting changes in customer behaviors related to the Internet, attitudes toward the traditional mass media, and satisfaction. Describes a study that investigated types of changes that have been made in Korea due to the transition of the networking environment. (Author/LRW)

Describes a study that analyzed variables in order to identify accurate predictors of individuals' use of the Internet and e-commerce. Results of survey research and a neural network identifies gender, overall computer use, job-related use, and home access as important characteristics that should influence use of the Internet and e-commerce.…

Discussion of electronic commerce and online marketing focuses on an empirical study that investigated differences between Internet shopping intentions for products categorized by cost and tangibility. Highlights include hypotheses; respondent characteristics; results that showed that intentions to shop using the Internet differ by tangibility of…

Describes a study on Internet marketing strategies of business-to-consumer (B2C) firms in Singapore. Results of a survey and hierarchical regression analyses indicate that strategies to attract customers and to relate to customers have significant positive relationships to online brand equity, which is positively related to financial growth.…

Describes a study of small, medium, and large enterprises in Shanghai, China that investigated which size companies benefit the most from the Internet. Highlights include leveling the ground for small and medium enterprises (SMEs); increased sales and cost savings for large companies; and competitive advantages. (LRW)