By Eric Bauer
How Geographic Redundancy Can enhance provider Availability and Reliability of Computer-Based SystemsEnterprises make major investments in geographically redundant platforms to mitigate the impossible chance of a typical or man-made catastrophe rendering their fundamental website inaccessible or destroying it thoroughly. whereas geographic redundancy has seen merits for catastrophe restoration, it's a long way much less noticeable what gain georedundancy bargains for extra universal undefined, software program, and human mess ups. past Redundancy offers either a theoretical and sensible remedy of the possible and sure merits from geographic redundancy for either provider availability and repair reliability.The e-book is geared up into 3 sections:Basics offers the required historical past on georedundancy and repair availabilityModeling and research of Redundancy supplies the technical and mathematical info of carrier availability modeling of georedundant configurationsRecommendations bargains particular tips on structure, standards, layout, checking out, and research of georedundant configurationsA entire georedundant case learn is integrated to demonstrate the thoughts. The publication considers either georedundant structures and georedundant options. The textual content additionally presents a normal dialogue concerning the capital expense/operating price tradeoff that frames method redundancy and georedundancy. those further positive factors make past Redundancy a useful source for network/system planners, IS/IT group of workers, procedure architects, procedure engineers, builders, testers, and catastrophe recovery/business continuity specialists and planners.
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Additional resources for Beyond Redundancy: How Geographic Redundancy Can Improve Service Availability and Reliability of Computer-Based Systems
S. Federal Aviation Administration, 2008). 6 Service, Risk, and Business Continuity • redundancy configuration and dimensioning of system hardware; system operation and maintenance procedures, including how promptly security and stability patches are installed; • required training and experience of staff; • characteristics of the physical environment and networking infrastructure; • security policy, including what security appliances protect the system from cyber security attack; and • configuration and setting of network and application protocol options.
For example, some applications like IP-TV have strict real-time service delivery requirements, and service is visibly impaired when these service delivery requirements are not met; other services like e-mail have softer real time service delivery requirements. Thus, the minimum chargeable outage duration 28 Service Availability and Service Reliability for network elements in an IP-TV solution is likely to be shorter than the minimum chargeable outage duration for elements in an e-mail service.
3 4 Service, Risk, and Business Continuity services can be grouped into several categories by criticality; while the category names and exact definitions may vary from industry to industry, the fundamentals are likely to be fairly consistent. S. Federal Aviation Administration (2008) (FAA) in FAA-HDBD-006A in the context of the United States’ National Airspace System (NAS), which includes air traffic control. â•‡ Service thread loss would present an unacceptable safety hazard during transition to reduced capacity operations.
Beyond Redundancy: How Geographic Redundancy Can Improve Service Availability and Reliability of Computer-Based Systems by Eric Bauer