Transcription of AWS FAULT TOLERANCE & HIGH AVAILABILITY
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AWS FAULT TOLERANCE & HIGH AVAILABILITY
S. FAULT TOLERANCE . Amazon Web Services provides services and infrastructure to Amazon EC2 provides infrastructure building blocks that, by W. A ce build reliable, FAULT -tolerant, and highly available systems in the qualities have been designed into our services both themselves, may not be FAULT -tolerant. Hard drives may fail, power supplies may fail, and racks may fail. It is important to use enes by handling such aspects without any special action by you and by combinations of the features presented in this document to f Reectur e r & HIGH AVAILABILITY providing features that must be used explicitly and correctly. achieve FAULT TOLERANCE and high AVAILABILITY . h it 2. Arc C. E. n zo FAULT TOLERANCE and High AVAILABILITY of a S. m B. Amazon Web Services A. E. A. S3. m n a zo zo g n a n Most of the higher-level services, such as Amazon Simple ci m an A. Storage Service (S3), Amazon SimpleDB, Amazon Simple al B.
ion) On Failure: nd e d e n S3 s P ion by) ion) B A n BS n C2 r r B y ne oid ary cie s d y s r d r ad g A y ne WebServerWeb ApplicationServerApplication DatabaseServer n C2 n BS n S3 2 2
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