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Redundancy and Replication Help Make Your Systems Stress-Free
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Mitchell, Erik – Journal of Web Librarianship, 2011
In mid-April, Amazon EC2 services had a small problem. Apparently, a large swath of its cloud computing environment had such substantial trouble that a number of customers had server issues. A number of high-profile sites, including Reddit, Evite, and Foursquare, went down when Amazon experienced issues in their US East 1a region (Justinb 2011).…
Descriptors: Human Factors Engineering, Computer System Design, Online Systems, Gateway Systems
Bridging the Gap Between Time- and Structure-Based Navigation in Web Lectures
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Mertens, Robert; Brusilovsky, Peter; Vornberger, Oliver; Ishchenko, Sergey – International Journal on E-Learning, 2009
Typical web lectures consist of two different kinds of media linked together: an audio- or video-recording and the corresponding slides or desktop recording. Both media are synchronized so that the slide or image shown corresponds to the position currently played in the time-based media stream. Web lectures are thus composite media consisting of a…
Descriptors: Navigation (Information Systems), Computer System Design, Web Based Instruction, Hypermedia
Developing Server-Side Infrastructure for Large-Scale E-Learning of Web Technology
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Simpkins, Neil – International Journal of Distance Education Technologies, 2010
The growth of E-business has made experience in server-side technology an increasingly important area for educators. Server-side skills are in increasing demand and recognised to be of relatively greater value than comparable client-side aspects (Ehie, 2002). In response to this, many educational organisations have developed E-business courses,…
Descriptors: Electronic Learning, Distance Education, Educational Technology, Multimedia Instruction
ASPEN--A Web-Based Application for Managing Student Server Accounts
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Sandvig, J. Christopher – Campus-Wide Information Systems, 2004
The growth of the Internet has greatly increased the demand for server-side programming courses at colleges and universities. Students enrolled in such courses must be provided with server-based accounts that support the technologies that they are learning. The process of creating, managing and removing large numbers of student server accounts is…
Descriptors: Internet, Courseware, Computer System Design, Computer Software Reviews
Portals: Foundation for an Online Campus.
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Gilson, Darin – Community College Journal, 2000
A portal is the digital infrastructure for an online campus. Community portals, online service portals, and enterprise-wide platforms represent the three basic portal variations available for online campuses. They are differentiated by the offices represented, the campus audience served, and benefits provided to the school as a whole. (PGS)
Descriptors: Community Colleges, Computer Interfaces, Computer Networks, Computer System Design
Electronic Document Delivery: Converging Standards and Technologies. UDT Series on Data Communication Technologies and Standards for Libraries, Report #2.
Cleveland, Gary – 1991
The development of information technologies such as public access catalogs and online databases has greatly enhanced access to information. The lack of automation in the area of document delivery, however, has created a large disparity between the speed with which citations are found and the provision of primary documents. This imbalance can…
Descriptors: Academic Libraries, Computer Networks, Computer Software Development, Computer System Design