Evaluating New Technologies
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Evaluating Intelligent Transportation System Impacts
The evaluation of the impacts of Intelligent Transportation System (ITS) treatments is at an early, but important stage. The national-level focus on a "few good measures" provides a standard, systematic method for understanding a variety of programs and projects. This report presents an expanded process and measures for considering the effect of ITS investments. A series of questions are proposed to bring out the potential effects of ITS programs that may not be analyzed due to relatively little data or complex relationships. This particularly relates to subject areas unfamiliar to the public sector transport agencies that typically are in charge of ITS deployment. These groups have little experience with logistics, supply chains, or business restructuring concepts. The report also recommends expanding one goal and adding another. It suggests that local goals be identified and studied as a way of exploring important attributes and developing future plans. The important factors might be better analyzed and incorporated with a multi-criteria analysis approach, rather than the traditional benefit/cost analysis. This approach will also allow the local concerns to be addressed in a more "customized" process and produce the statistics needed to compare local projects with national standards and results
Evaluating New Technologies
human practices? How are we to morally evaluate technology developments that have open horizons, encompass uncertainties, and lack control? Technology is in- uential on society; technological innovations act upon the perception of ourselves, the world, and our relation with fellow humans and other objects. Technology is changing everything we do by creating new entities (such as software, nanop- ticles, or Internet), by changing the scale of activities (e. g. vast amounts of data about people can be stored and analysed, and not infrequently without people - ing aware of this), by generating new kinds of knowledge (for instance about i- nesses, the human genome and so on). Technologies, as a consequence, impinge upon our morality and for this reason an ethics of technology should not wait passively until moral problems arise and not only focus on identi ed and exi- ing moral problems, but contemplate technology developments and possible - pacts proactively. However, this is easier said than done, because a prospective and proactive evaluation of technology developments is complicated by complexity and uncertainty. The uncertainty of technology development is closely related to one of the str- ing features of technology, namely what Jim Moor has coined logical malleability. (1985, 269) Technological devices are logically malleable in that they can be shaped to do any activity that can be characterised in terms of logical operations.
Evaluation of the Fraunhofer Open Source IMS Core Platform with Special Focus on the Call Session Control Function (CSCF)
Diploma Thesis from the year 2007 in the subject Computer Science - Applied, grade: 1, University of Applied Sciences Technikum Vienna, course: Betriebliche Informationsnetze basierend auf SIP bzw. verwandten Protokollen wie SDP, RTP usw., language: English, abstract: Given the increasing penetration of Internet Protocol (IP) technologies and the tremendous growth in wireless data traffic, the telecom industry is evolving towards All-IP based Next Generation Networks (NGN). The Third Generation Partnership Project (3GPP) has specified an IP Multimedia Subsystem (IMS) in 3GPP Release 5 to support converged multimedia applications across both wireless and wireline devices. IMS provides full packet call control capabilities by using the Session Initiation Protocol (SIP). SIP has been chosen by 3GPP as the signaling protocol to handle user registrations and multimedia session management in the IMS. Using IP protocols defined by the Internet Engineering Task Force (IETF), IMS will merge cellular networks and the internet, offering new service capabilities for rapid service creation and deployment of integrated IP multimedia applications. This diploma thesis provides an insight into the IP Multimedia Core Network, specifically focusing on its key element, the Call Session Control Function (CSCF). The CSCF serves as control point to manage all IMS sessions in the network, whether they are voice, video, data, messaging, gaming, or any other service. Moreover, this paper discusses the requirements identified by 3GPP to support SIP in cellular networks, and the extensions to the SIP protocol suite in order to fulfill them. The practical part of the thesis evaluates the Open Source IMS Core platform of the Fraunhofer Institute FOKUS with respect to the CSCF which is based on the SIP Express Router (SER). The analysis describes the new modules and advanced functions of SER, required to cope with the extended version of SIP and to act as a CSCF for IMS purposes.