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ERIC Number: EJ948372
Record Type: Journal
Publication Date: 2011
Pages: 3
Abstractor: ERIC
Reference Count: 1
ISSN: ISSN-1932-2909
Redundancy and Replication Help Make Your Systems Stress-Free
Mitchell, Erik
Journal of Web Librarianship, v5 n3 p253-255 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). The author's library was heavily invested in the affected availability zone, and although they were unable to launch new instances, they managed to get through without downtime. To design a sufficiently redundant system in a cloud environment, one should focus on three primary areas: (1) system configuration; (2) data replication; and (3) service fail-over. This article briefly examines each of these areas.
Routledge. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Adult Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: United States